The Grey Line Company uses the following monthly budget data:

Alpha

Doodad Beta

Doodad Gamma

Doodad

Sales

$$500,000$

$$300,000$

$$900,000$

Variable expenses

$$300,000$

$$210,000$

$$720,000$

Contribution margin

$$200,000$

$$90,000$

$$180,000$

The Grey Line Company has budgeted $$220,000$ in operating income from the three doodads for the current month.

Perform the following tasks:

Calculate the break$-$even sales $($in total dollars$)$ for the month.

Calculate the margin of safety $($in total dollars$).$

Calculate the degree of operating leverage.