Hi$-$Tek Manufacturing, Incorporated, makes two types of industrial component parts$$the B$300$ and the T$500.$ An absorption costing income statement for the most recent period is shown:

Hi$-$Tek Manufacturing Incorporated

Income Statement

Sales $ $1,645,700$

Cost of goods sold $1,224,964$

Gross margin $420,736$

Selling and administrative expenses $560,000$

Net operating loss $ $(139,264)$

Hi$-$Tek produced and sold $60,300$ units of B$300$ at a price of $$19$ per unit and $12,500$ units of T$500$ at a price of $$40$ 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:

B$300$ T$500$ Total

Direct materials $ $400,700$ $ $162,500$ $ $563,200$

Direct labor $ $120,100$ $ $42,700162,800$

Manufacturing overhead $498,964$

Cost of goods sold $ $1,224,964$

The company has created an activity$-$based costing system to evaluate the profitability of its products. Hi$-$Tek$$s ABC implementation team concluded that $$52,000$ and $$108,000$ of the company$$s advertising expenses could be directly traced to B$300$ and T$500,$ respectively. The remainder of the selling and administrative expenses was organization$-$sustaining in nature. The ABC team also distributed the company$$s manufacturing overhead to four activities as shown below:

Activity Cost Pool $($and Activity Measure$)$ Manufacturing Overhead Activity

B$300$ T$500$ Total

Machining $($machine$-$hours$)$ $ $202,22490,30062,900153,200$

Setups $($setup hours$)135,24072250322$

Product$-$sustaining $($number of products$)101,200112$

Other $($organization$-$sustaining costs$)60,300$ NA NA NA

Total manufacturing overhead cost $ $498,964$

Required:

$1.$ Compute the product margins for the B$300$ and T$500$ under the company$$s traditional costing system.

$2.$ Compute the product margins for B$300$ and T$500$ under the activity$-$based costing system.

$3.$ Prepare a quantitative comparison of the traditional and activity$-$based cost assignments.

For B$300$ I got MOH of $240200$ and for T$500$ MOH of $85400.$ What did i do wrong.