Lennon Fans manufactures three model fans 290 for industrial use. The standard selling price and cost of each fan follow:

Essentially, all overhead costs are fixed. Some of the fixed overhead costs are direct costs to particular models, and others are common fixed costs.
Estimated Total Overhead

Lennon allocates overhead costs to products using a single overhead rate developed as follows. Estimated total overhead is divided by estimated direct labor cost. This results in an overhead rate per labor dollar. This rate is used to assign standard overhead to products.
Below are estimates of sales and direct labor. These values imply an overhead rate of $1.3146 per labor dollar ($13,000,000 ÷ $9,889,000).

Required
a. Because Model 599 is showing a loss, the controller of Lennon has asked you to analyze whether it should be dropped. You should assume that direct fixed costs will be avoided if a model is dropped but common fixed costs will not be avoided if the model is dropped.
b. Explain why the method used to allocate costs at Lennon results in unreasonably high charges to the Model 599 fan?

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Model 501 Model 541 Model 599 Selling price Unit cos: $6,300 $12,000 $15,200 Material Direct labor Overhead 1,650 850 880 $2,920 5,450 2,700 3,518 s 332 7,050 4,900 7,036 S 3,786) 3 Unit profit (loss) Model 501 Model 541 Model 599 Total Direct fixed Common fixed lexial $5,000,000 2,000,0001,000,000 8,000,000 5,000,000 $13,000,000 Model 501 1,100 Model 541 2,300 Model 599 560 Total Estimated unit sales Estimated labor 3,960 935,000 $6,210,000 $2,744,000 9,889,000