Exercise 5 ( 8 points) (Please answer in booklet and show work for partial credit) Determine the interest on the following notes: (Please use a 360 day year). (a) $3,000 at 6% for 120 days. (b) $1,900 at 5% for 8 months. (c) $7,200 at 8% for 180 days (d) $1,600 at 7% for 9 months