The accounting records for Portland Products report the following manufacturing costs for the past year:

Direct materials	$	380,000
Direct labor		265,000
Variable overhead		232,000

Production was 160,000 units. Fixed manufacturing overhead was $777,000.

For the coming year, costs are expected to increase as follows: direct materials costs by 20 percent, excluding any effect of volume changes; direct labor by 4 percent; and fixed manufacturing overhead by 10 percent. Variable manufacturing overhead per unit is expected to remain the same.

Required:

a. Prepare a cost estimate for a volume level of 128,000 units of product this year. (Do not round intermediate computations.)

b. Determine the costs per unit for last year and for this year.