The payback method is a screening device and is rarely used as the sole method for
deciding whether to invest in an asset.
Verdant Avionics makes aircraft instrumentation. Their basic navigation radio requires
$140 in variable costs and requires $3,000 per month in fixed costs. If it processes the
radio further to enhance its functionality, it will require an additional $30 per unit of
variable costs and $300 per month in fixed costs. The marketing manager believes the
sales price of the radio can be increased from $250 to $280. In making this decision, the
amount of additional fixed costs per month is a relevant cost.
The traditional income statement format is prepared under absorption costing.
In absorption costing, the manufacturing costs expensed are greater than the amount
expensed in variable costing when units produced are less than sold because the units in