Answer:
P(13,2) = 169
Explanation:
We have to calculate the combinations for left and right shoe considering is not the same having a right shoe blue and left red than having a right shoe rend and a left red.
there are 13 pairs from whcih she will take a single pair:

where:
n = number of pair = 13
r = shoes = 2 (one on each foot)

P(13,2) = 169
Answer:
The break-even point in sales dollars is: C. $32,000
Explanation:
During the current year 11,000 hams were sold resulting in $220,000 of sales revenue, $55,000 of variable costs, and $24,000 of fixed cost.
Contribution margin ratio = (Sales - Total Variable cost)/Sales = ($220,000 - $55,000)/$220,000 = 0.75
The break-even point sales dollars is calculated by using following formula:
Break-even point in sales dollars = Fixed cost/Contribution margin ratio = $24,000/0.75 = $32,000
Every quarter the company can expect a loss