Chapter 20, Problem 6PSA

Cosmic Technologies is evaluating a project that costs $2,500 and has no salvage value after 4 years. The project will produce a gadget that will sell for $155 per unit and incur variable costs of $120 per unit. The company has fixed costs of $4,200 and requires a 13% return on its projects. If Cosmic sells 240 units, what is the firm's degree of operating leverage?

Can you solve this general accounting question with the appropriate accounting analysis techniques?

Please given correct answer for General accounting question I need step by step explanation