Please show step-by-step so I can figure out what I was doing incorrectly. Thank you!

Hi-Tek Manufacturing, Inc., makestwo types of industrial component parts-the B300 and the T500. An absorption costing income statement for the most recent period is shown Hi-Tek Manufacturing Inc. Income Statement Sales Cost of goods sold Gross margin Selling and administrative expenses Net operating loss $1,703,300 1,231,029 472,271 600,000 $(127,729) Hi-Tek produced and sold 60,400 units of B300 at a price of $20 per unit and 12,700 units of T500 at a price of $39 per unit. The company's traditional cost system allocates manufacturing overhead to products using a plantwide overhead rate and direct labor dollars as the allocation base. Additional information relating to the company's two product lines is shown below B300 T500 Total Direct materials Direct labor Manufacturing overhead Cost of goods sold 400,400 $ 162,400 $ 562,800 162,700 505,529 1,231,029 120,100 $ 42,600 The company has created an activity-based costing system to evaluate the profitability of its products. Hi-Tek's ABC implementation team concluded that $50,000 and $109,000 of the company's advertising expenses could be directly traced to B300 and T500 respectively. Ihe remainder of the selling and administrative expenses was organization-suStaining in nature. Ihe ABC team al So distributed the company's manufacturing overhead to four activities as shown below Activit T500 Manufacturing Activity Cost Pool (and Activity Measure) Machining (machine-hours) Setups (setup hours) Product-sustaining (number of products) Other (organization-sustaining costs) Total manufacturing overhead cost Overhead $212,809 131,120 100,600 61,000 $505,529 B300 Total 90,300 62,800 153,100 220 78 298 NA NA NA