stanley shoe company established a line credit with a local bank. the maximum amount that can be borrowed under the terms of the agreement is $100000 at an annual rate of 12%. a compensating balance averaging 10% of the amount borrowed is required. prior to the agreement, the company had no deposit with the bank. shortly after signing the agreement, the company needed $50000 to pay off a note that was due. it borrowed the $50000from the bank by drawing on the line of credit. what is the effective annual cost of credit?