Modern Artifacts can produce keepsakes that will be sold for $$270$ each. Nondepreciation fixed costs are $$3,200$ per year, and

variable costs are $$190$ per unit. The initial investment of $$9,600$ will be depreciated straight$-$line over its useful life of $8$ years to a final

value of zero, and the discount rate is $16\%.$

a$.$ What is the degree of operating leverage of Modern Artifacts when sales are $$16,740?$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

Degree of operating leverage

b$.$ What is the degree of operating leverage when sales are $$28,890?$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

Degree of operating leverage