Estimate the cost of applying paint for a three

$-$

coat application on

$1$

$0$

$0$

$$square feet of exterior

new wood wall for a residence. Assume labor cost for a paint is $

$1$

$9$

$.$

$0$

$1$

$$per hour. The labor productivity is

as follows

For the first coat of paint:

$0$

$.$

$9$

$$hour per

$1$

$0$

$0$

$$square feet

For the second coat of paint:

$0$

$.$

$8$

$$hour per

$1$

$0$

$0$

$$square feet

For the first coat of paint:

$0$

$.$

$8$

$$hour per

$1$

$0$

$0$

$$square feet