(25 points and brainliest for best)
jillian is shopping for new school supplies. she finds a flyer in the newspaper for her favorite store. they are offering the following coupons. jillian needs to buy a new laptop for the school year. the list price for the laptop is $479.99. is it a better deal to use the coupon for the $100 rebate or the 20% off one item?

a. $100 rebate coupon

b. 20% off coupon