Janet Foster bought a computer and printer at Computerland. The printer had a $580 list price with a $100 trade discount and 2/10, n/30 terms. The computer had a $2,380 list price with a 25% trade discount but no cash discount. On the computer, Computerland offered Janet the choice of (1) paying $85 per month for 17 months with the 18th payment paying the remainder of the balance or (2) paying 7% interest for 18 months in equal payments.