RSE Corporation sells its product for $11 per unit. Its variable cost is $2 per unit, and total fixed costs are $600. Assuming next period’s estimated sales are 240 units and that 240 units is within the relevant range, calculate the following amounts:
a. Degree of operating leverage
b. Margin of safety in units
c. Margin of safety in revenues (in $)
d. Estimated income or loss (indicate which)