The trustees of a college have accepted a gift of $150,000, but are required to deposit it in an account paying 10% per year, compounded semiannually. They may make equal withdrawals at the end of...

The trustees of a college have accepted a gift of $150,000, but are required to deposit it in an account paying 10% per year, compounded semiannually. They may make equal withdrawals at the end of each six-month period, but the money must last 8 years (a) Find the amount of each withdrawal is $◻️ (b) Find the amount of each withdrawal if the money must last 11 years is $◻️