Answer:
C.marginal cost-benefit analysis
Explanation:
The primary principle that finance borrows from economics is _ C. marginal cost-benefit analysis.
Marginal cost and marginal benefit are the two measures of the how the cost or the value of the product changes. Marginal benefit is the measure of consumer side of the equation whereas the consumer side of the equation. Companies tend to calculate both side of the equation when marketing, manufacturing and prizing a product.