1.      A commercial building has 4,200 sf of interior walls made of gypsum wallboard that requires one coat of enamel...

1.      A commercial building has 4,200 sf of interior walls made of gypsum wallboard that requires one coat of enamel paint. The enamel paint costs $30.98/gal, and the painter cost is $28.50/hr. How long will it take to apply the paints for two painters and what is the estimated cost? Use the tables below. Show detail step by step calculations.