The George Company has a policy of maintaining an end-of-month cash balance of at least $42,000. In months where a shortfall is expected, the company can draw in $1,000 increments on a line of credit it has with a local bank, at an interest rate of 12% per annum. All borrowings are assumed for budgeting purposes to occur at the beginning of the month, while all loan repayments (in $1,000 increments of principal) are assumed to occur at the end of the month. Interest is paid at the end of each month. For April, an end-of-month cash balance (prior to any financing and interest expense) of $14,000 is budgeted; for May, an excess of cash collected over cash payments (prior