Series Number: 3

For period ending 8/31/15

48) Investor, A & C

First $1 billion 0.569%

Next $1 billion 0.517%

Next $3 billion 0.487%

Next $5 billion 0.467%

Next $15 billion 0.454%

Next $25 billion 0.452%

Over $50 billion 0.452%

Institutional

First $1 billion 0.369%

Next $1 billion 0.317%

Next $3 billion 0.287%

Next $5 billion 0.267%

Next $15 billion 0.254%

Next $25 billion 0.252%

Over $50 billion 0.252%

72DD)                      1. Total income dividends for which record date passed during the period

                      Investor Class                                           27,681

                      Institutional Class                                                      5,936

                      2.  Dividends for a second class of open-end company shares

                                A Class                                           805

                      C Class                                           242

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.2886

                      Institutional Class                                           $0.3125

           2. Dividends for a second class of open-end company shares

                      A Class                                                      $0.2589

C Class                                            $0.1696

74U)           1. Number of shares outstanding (000's omitted)

                      Investor Class                                           102,666

                      Institutional Class                                                      19,645

2. Number of shares outstanding of a second class of open-end company shares (000's omitted)

                                A Class                                           3,316

                      C Class                                            1,394

74V)           1. Net asset value per share (to nearest cent)

                      Investor Class                                           $11.85

                      Institutional Class                                           $11.85

2. Net asset value per share of a second class of open-end company shares (to nearest cent)

                      A Class                                           $11.85

                                C Class                                            $11.86

Series Number: 4

For period ending 8/31/15

48) Investor, A & C

First $1 billion 0.569%

Next $1 billion 0.517%

Next $3 billion 0.487%

Next $5 billion 0.467%

Next $15 billion 0.454%

Next $25 billion 0.452%

Over $50 billion 0.452%

Institutional

First $1 billion 0.369%

Next $1 billion 0.317%

Next $3 billion 0.287%

Next $5 billion 0.267%

Next $15 billion 0.254%

Next $25 billion 0.252%

Over $50 billion 0.252%

72DD)                      1. Total income dividends for which record date passed during the period

                      Investor Class                                           11,274

                      Institutional Class                                           10

           2.  Dividends for a second class of open-end company shares

                                A Class                                           214

                      C Class                                           167

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.3929

                      Institutional Class                                           $0.4164

           2. Dividends for a second class of open-end company shares

                      A Class                                                      $0.3633

C Class                                            $0.2750

74U)           1. Number of shares outstanding (000's omitted)

                      Investor Class                                           28,134

                                Institutional Class                                           26

2. Number of shares outstanding of a second class of open-end company shares (000's omitted)

A Class                                            569

                                C Class                                           604

74V)           1. Net asset value per share (to nearest cent)

                      Investor Class                                           $11.70

                                Institutional Class                                           $11.70

2. Net asset value per share of a second class of open-end company shares (to nearest cent)

                      A Class                                            $11.70

                      C Class                                            $11.70

Series Number: 5

For period ending 8/31/15

48) Investor, A & C

First $1 billion 0.599%

Next $1 billion 0.547%

Next $3 billion 0.517%

Next $5 billion 0.497%

Next $15 billion 0.484%

Next $25 billion 0.482%

Over $50 billion 0.482%

Institutional

First $1 billion 0.399%

Next $1 billion 0.347%

Next $3 billion 0.317%

Next $5 billion 0.297%

Next $15 billion 0.284%

Next $25 billion 0.282%

Over $50 billion 0.282%

72DD)                      1. Total income dividends for which record date passed during the period

                      Investor Class                                           22,933

Institutional Class                                           3,214                      

           2. Dividends for a second class of open-end company shares

                      A Class                                            4,194

                                C Class                                             710

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.3884

                      Institutional Class                                           $0.4089

2. Dividends for a second class of open-end company shares

                      A Class                                           $0.3625

                      C Class                                           $0.2849

74U)           1. Number of shares outstanding (000's omitted)

Investor Class                                                      61,328

                      Institutional Class                                                      8,134

2. Number of shares outstanding of a second class of open-end company shares (000's omitted)

                      A Class                                           11,567

                      C Class                                           2,710

74V)           1. Net asset value per share (to nearest cent)

                      Investor Class                                           $10.30

                      Institutional Class                                           $10.30

2. Net asset value per share of a second class of open-end company shares (to nearest cent)

                      A Class                                           $10.30

                      C Class                                           $10.30