The accounting records for Portland Products report the following manufacturing costs for the past year. Production was 150,000 unlts. Fixed manufacturing overhead was $805,000. For the coming year, costs are expected to Increase as follows: direct materlals costs by 20 percent, excluding any effect of volume changes; direct labor by 4 percent; and fixed manufacturing overhead by 10 percent. Varlable manufacturing overhead per unlt is expected to remaln the same. Required: a. Prepare a cost estimate for a volume level of 120,000 units of product this year. b. Determine the costs per unit for last year and for this year. Complete this question by entering your answers in the tabs below. Prepare a cost estimate for a volume level of 120,000 units of product this year. (Do not round intermediate calculations.)