$1.$Perform the first$-$stage allocation of costs to the activity cost pools.

$2.$Compute the activity rates for the activity cost pools.

$3.$Using the activity rates you have computed, determine the total cost and the average cost per thousand square feet of each of the following jobs according to the activity$-$based costing system.

a$.$A routine $1,000-$square$-$foot asbestos removal job.

b$.$A routine $2,000-$square$-$foot asbestos removal job.

c$.$A nonroutine $2,000-$square$-$foot asbestos removal job.