Answer:
7. $8
8. coupons offer deals upfront, rebates only offer them after purchase, and sales are short times to drive sales
Explanation:
7 work. best buy: 60 - 2 = 40 40 x 4 = 160
Gamestop: 60 x 0.3 = 18 42 x 4 = 168
160 - 168 = -8
$8 dollars saved by Best Buy