A grocery store is 100′ x 400′ with 16 ‘ walls. The painter will charge $8 per square. How much will painting the building cost if the sides need 2 coats of primer and one coat of paint, while the front and rear only require one coat of both primer and paint?

A grocery store is 100′ x 400′ with 16 ‘ walls. The painter will charge $8 per square. How much will painting the building cost if the sides need 2 coats of primer and one coat of paint, while the front and rear only require one coat of both primer and paint?