Hi-Tek Manufacturing, Inc., makes two types of industrial component partsthe B300 and the T500. An absorption costing income statement for the most recent period is shown:

Hi-Tek Manufacturing Inc. Income Statement
Sales	$	1,689,500
Cost of goods sold		1,220,930
Gross margin		468,570
Selling and administrative expenses		580,000
Net operating loss	$	(111,430	)

Hi-Tek produced and sold 60,100 units of B300 at a price of $20 per unit and 12,500 units of T500 at a price of $39 per unit. The companys 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 companys two product lines is shown below:

	B300		T500		Total
Direct materials	$	400,500	$	162,500	$	563,000
Direct labor	$	120,900	$	42,300		163,200
Manufacturing overhead						494,730
Cost of goods sold					$	1,220,930

The company has created an activity-based costing system to evaluate the profitability of its products. Hi-Teks ABC implementation team concluded that $57,000 and $110,000 of the companys advertising expenses could be directly traced to B300 and T500, respectively. The remainder of the selling and administrative expenses was organization-sustaining in nature. The ABC team also distributed the companys manufacturing overhead to four activities as shown below:

	Manufacturing Overhead			Activity
Activity Cost Pool (and Activity Measure)				B300	T500	Total
Machining (machine-hours)	$	198,640		90,600	62,200	152,800
Setups (setup hours)		134,590		73	240	313
Product-sustaining (number of products)		101,000		1	1	2
Other (organization-sustaining costs)		60,500		NA	NA	NA
Total manufacturing overhead cost	$	494,730

Required: Compute the product margins for B300 and T500 under the activity-based costing system