The accounting records for Portland Products report the following manufacturing costs for the past year: $ Direct materials Direct labor Variable overhead 390,000 268,000 240,000 Production was 130,000 units. Fixed manufacturing overhead was $741,000. 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 104,000 units of product this year. (Do not round intermediate computations.) Answer is complete and correct. $ Cost Item Direct materials Direct labor Variable overhead Fixed overhead Total costs This Year's Cost 374,400 222,976 192,000 815,100 1,604,476 $ b. Determine the costs per unit for last year and for this year. (Round your answers to 2 decimal places.) Answer is complete but not entirely correct. Last year This year $ $ Costs Per Unit 10.34 12.34