i need help figuring this out

During the week of June 12, Harrison Manufacturing produced and shipped 18,000 units of its aluminum wheels: 4,200 units of Model A and 13,800 units of Model B. The following costs were incurred: Salaries! Materials Wages Machining Other Total Cost Order processing $18 ,200 $18 ,200 Production planning 262,800 262,800 Purchasing 23 ,400 23 ,400 Stamping $350,000 35 ,000 $37,000 $18 ,000 440 ,000 Welding 140,000 40,000 40,000 12,000 232,000 Cladding 645,000 645,000 Testing 10,000 10 ,000 Packaging and shipping 10,000 10,000 Invoicing 15 ,000 15 ,000 Total $1,135,000 $414,400 $77,000 $30,000 $1,656,400 Required: 1. Assume initially that the value-stream costs and total units shipped apply only to one model (a single-product value stream). Calculate the unit cost. Round your answer to the nearest dollar amount. 4:] W... 2. Calculate the unit cost for Models A and B. Round your answers to the nearest dollar amount. Unit Cost :1 :1 Model A 3 Model E $ 3. What if Model A is responsible for 40 percent of the materials cost? Calculate the unit materials cost for Models A and B. Round your answers to the nearest dollar amount. Unit Cost Model A $ Model B 3 UH Calculate the total unit cost for Models A and B. Round your interim calculations and nal answers to the nearest dollar amount. Unit Cost Model A $ UH Model B $