Answer:
Stern must borrow 13,530dollars at least to achieve is minimum monthly cash balance.
Explanation:
beginning cash balance: $ 12, 270
cash receipts $ 97,200
cash disbursements $(115,000)
cash balance before financing: $ (5,530)
minimun balance required $ 8,000
financing requirement: 8,000 - (-5,530) = 8,000 + 5,530 = 13,530