Janet Foster bought a computer and printer at Computerland. The printer had a $$520$ list price with a $$100$ trade discount and $2/10$

$,$ n$/30$

terms. The computer had a $$1,800$ list price with a $25\%$ trade discount but no cash discount. On the computer, Computerland offered Janet the choice of $(1)$ paying $$70$ per month for $17$ months with the $18$th payment paying the remainder of the balance or $(2)$ paying $8\%$ interest for $18$ months in equal payments.

Assume Janet could borrow the money for the printer at $8\%$ to take advantage of the cash discount. How much would Janet save?

Note: Use $360$ days a year. Round your answer to the nearest cent.

On the computer, what is the difference in the final payment between choices $1$ and $2?$

Note: Round your answer to the nearest cent.