Derrick went to the grocery store and purchased 3/4 of a pound of ham for $6.99 per pound, of a pound of cheese for $3.99 per pound, 1/4 a loaf of bread for $2.49, and 1 gallon of milk for $2.89. the sales tax on food items in his state is 4.3%. what is derrick's total for the groceries after tax? round your answer to the nearest cent.