4. An invoice for $3500 dated July 17th, terms 2/10, E.O.M, is paid on August 10. What is the amount paid?

5. Mike received a payment of $807.50 from Andrew on October 7 on an invoice of $ 2731.75 dated September 27, terms 5/10. (draw a little chart)

(i) How much does Mike credit Andrews account for the payment?

(ii) How much does Mike still owe on the invoice

6. Turf has received an invoice of $ 1005.00 dated June 10, terms 3/10, n/30 R.O.G, for shipment of dresses that arrived on July 17. What is the last day to take a cash discount and how much is to be paid if the discount is taken?

7. A deposit of $2000 earns interest at 4.5% p.a. compounded quarterly. After two-and-a-half years, the interest rate is changed to 2.75% compounded monthly. How much is the account worth after 6 years?