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