You need to buy 30 pounds of hamburger and 15 packages of buns for a staff-appreciation picnic. You have 2 options for hamburger and 2 options for buns, shown below. In addition, you have a 10%-off coupon that can be used on either the hamburger or the buns, but not both, after any other discounts are applied. What is your best cost, including tax of 5% of the purchase price after all discounts, rounded to the nearest $0.01? Hamburger Price per pound Coco Farms $2.29 Open Acres $2.39 10% off if at least 10 pounds Buns Price per package Burly Buns $1.93 On Sale! 5% off Burly Buns Stone Bakery $1.80