On October 1st Joe charged $900 to his credit card, on October 10th he charged another $1,300 to his credit card, and on October 15th he charged an additional $100. His credit card charges him an Annual Percentage Rate (APR) of 18% compounded monthly. Using the Average Daily Balance Method calculate Joe's finance charge for the month of October.

Biochemical corp. requires $600,000 in financing over the next three years. the firm can borrow the funds for three years at 10.80 percent interest per year. the ceo decides to do a forecast and predicts that if she utilizes short-term financing instead, she will pay 7.50 percent interest in the first year, 12.15 percent interest in the second year, and 8.25 percent interest in the third year. assume interest is paid in full at the end of each year. a)determine the total interest cost under each plan. a) long term fixed rate: b) short term fixed rate: b) which plan is less costly? a) long term fixed rate plan b) short term variable rate plan