1. You buy goods with a list price of $4,500 with terms of 6/15, n/45. If the supplier has a policy of allowing a cash discount for partial payments and you pay $3,000 within the discount period, calculate the amount of credit you will receive for this payment.
2. A copy machine cost $2,990, after a discount of 30/12/5. What was the original list price of this machine?