Series Number: 3

For period ending 2/28/15

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 0.451%

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 0.251%

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

                      Investor Class                                           13,478

                      Institutional Class                                                      2,877

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

                                A Class                                           401

                      C Class                                           129

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.1457

                      Institutional Class                                           $0.1575

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

                      A Class                                                      $0.1308

C Class                                            $0.0864

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

                      Investor Class                                           96,637

                      Institutional Class                                                      18,892

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

                                A Class                                           3,196

                      C Class                                            1,484

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

                      Investor Class                                           $11.96

                      Institutional Class                                           $11.97

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

                      A Class                                           $11.97

                                C Class                                            $11.97

Series Number: 4

For period ending 2/28/15

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 0.451%

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 0.251%

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

                      Investor Class                                           5,571

                      Institutional Class                                           5

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

                                A Class                                           110

                      C Class                                           81

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.1929

                      Institutional Class                                           $0.2046

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

                      A Class                                                      $0.1781

C Class                                            $0.1341

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

                      Investor Class                                           28,792

                                Institutional Class                                           25

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

A Class                                            573

                                C Class                                           619

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

                      Investor Class                                           $11.87

                                Institutional Class                                           $11.87

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

                      A Class                                            $11.87

                      C Class                                            $11.87

Series Number: 5

For period ending 2/28/15

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 0.481%

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 0.281%

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

                      Investor Class                                           11,115

Institutional Class                                           1,571                      

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

                      A Class                                            2,101

                                C Class                                             340

73A)           1. Dividends from net investment income

                      Investor Class                                                      $0.1935

                      Institutional Class                                           $0.2037

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

                      A Class                                           $0.1806

                      C Class                                           $0.1420

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

Investor Class                                                      60,142

                      Institutional Class                                                      7,524

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

                      A Class                                           11,814

                      C Class                                           2,475

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

                      Investor Class                                           $10.44

                      Institutional Class                                           $10.44

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

                      A Class                                           $10.44

                      C Class                                           $10.44