Gross operating expenses, Class A: 1.23%; Class B: 1.97%; Class C: 1.91%. Net operating expenses, Class A: 0.99%; Class B: 1.64% Class C: 1.64%, after contractual waiver of fees and/or reimbursement of expenses which will continue indefinitely subject to termination by the Board. Waivers and/or reimbursements may be subject to recoupment within two years.