Which of the following formulas would be best for calculating the total contribution margin?

A) sales revenue - total variable cost
B) $\frac{\text{ unit price - variable cost per unit }}{\text{ unit price }}$
C) price per unit - total cost per unit
D) $\frac{\text{ revenueper product }}{\text{overall revenue }}$

​The biggest advantage of capitalism is that

A) ​It generates wealth with the help of government intervention
B) Prices hinder in moving assets from high-value to low-value uses
C) It forces involuntary exchanges
D) ​It creates wealth by letting a person follow his or her own self-interest

If a company decides to factor its receivables without recourse, it will:

A) offer the receivables to a lending institution as collateral.
B) sell receivables to a lender and remain liable for uncollectible accounts.
C) sell the receivables at a discount.
D) offer receivables that are more than 120 days old to a collection agency.
E) none of the above defines factoring receivables.