Michelle and Natasha each had to repair their new iPhones. The initial cost of each repair is \$100$100. Michelle and Natasha each have two discount coupons. Each of them uses both coupons toward the cost of the repair. One coupon is for \$25$25 off the repair cost and the other coupon is for 20\%20% off the repair cost. Michelle and Natasha use their coupons in a different order, as shown below. Michelle uses the 20\%20% off the repair cost coupon first. She then uses the \$25$25 off the repair cost coupon on the remaining balance. Natasha uses the \$25$25 off the repair cost coupon first. She then uses the 20\%20% off the repair cost coupon on the remaining balance.