Product-Costing Accuracy, Plantwide and Departmental Rates, ABC Escuha Company produces two type of calculators: scientific and business. Both products pass through two producing departments. The business calculator is by far the most popular. The following data have been gathered for these two products: Product-Related Data Scientific Business 75,000 750,000 Units produced per year Prime costs $254,000 $2,540,000 100,200 1,002,000 49.700 497,000 Direct labor hours Machine hours Production runs Inspection hours 100 150 2,000 3,000 Maintenance hours 2,250 9,000 Department Data Department 1 Department 2 Direct labor hours: 76,400 23,800 Scientific calculator Business calculator Total 120 240 881.760 196,640 905,560 25,600 24,100 Machine hours: Scientific calculator Business calculator Total 409,600 87 400 435,200 111,500 Overhead costs: Setup costs $234,500 $234,500 175,000 175,000 Inspection costs Power 252,000 148,000 Maintenance 238.500 189.000 $950,500 Total $796,000 1. Compute the overhead cost per unit for each product using a plantwide, unit-based rate using direct labor hours. Round your calculations and answers to the nearest cent. Plantwide rate 1.49 per direct labor hour Overhead cost per unit: Scientific 1.99 per unit Business 1.99 per unit 2. Compute the overhead cost per unit for each product using departmental rates. In calculating departmental rates, use machine hours for Department 1 and direct labor hours for Department 2. Round departmental rates and the overhead cost per unit to the nearest cent if rounding is required. Departmental rates: Department 1 1.95 per machine hour Department 2 0.88 per direct labor hour Overhead cost per unit: Scientific per unit Business per unit Repeat using direct labor hours for Department 1 and machine hours for Department 2. Round departmental rates and the overhead cost per unit to the nearest cent if rounding is required. Departmental rates: Department 1 per direct labor hour Department 2 per machine hour Overhead cost per unit: Scientific per unit Business per unit 3. Compute the overhead cost per unit for each product using activity-based costing. Round your calculations and answers to the nearest cent. Overhead Cost Scientific per unit Business per unit