Optimal Cash Balance. Green Corporation anticipates a cash requirement of $1,000 over a 1- month period. It is expected that cash will be paid uniformly. The annual interest rate is 24 percent. The...

Optimal Cash Balance. Green Corporation anticipates a cash requirement of $1,000 over a 1- month period. It is expected that cash will be paid uniformly. The annual interest rate is 24 percent. The transaction cost of each borrowing or withdrawal is $30. (a) What is the optimal cash balance? (b) What is the average cash balance?