Each member of the board shall receive one hundred dollars ($100) for each day during which the member is engaged in the performance of official duties. The compensation of each member, except the compensation of the chair, shall not, however, exceed in any one fiscal year the sum of four thousand dollars ($4,000). The chair of the board may receive compensation not to exceed five thousand dollars ($5,000) in any one fiscal year for the performance of official duties. In addition to the compensation, each member shall be reimbursed for necessary traveling and other expenses incurred in the performance of official duties.