Determine the range of the following graph: 12
11
10
9
8
7
6
5
4
3
02
-12-11-10 -9 8 7 6 5 4 3 2
12
4 5 6 7 8 9 10 11 12
4

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.