Provide a step by step solution for the following math problem: For every loaf of bread that Ted buys, he needs an additional 2 packs of sandwich meat and 2 packs of sliced cheese to make 10 sandwiches.  The bread costs $4.00, the sandwich meat costs $5.00 per pack and the cheese costs $4.00 per pack.  He has a $1.00 off  coupon for one pack of cheese and an additional $1.00 coupon for one pack of meat.  How much does each sandwich cost?