You are making several purchases from the i. b. electric electronics store. you can buy from this retailer online or in a physical store. you have a coupon for 15% off that can only be used in the physical store and a $5.00 off coupon that can only be used online. the sales tax of 6% only applies to the physical store. shipping for the online store is a flat rate of $8.99. using this information and the information below, which way would you save the most money?