The mathematics of amortization for mortgage loans must utilize the

Suppose shoppers typically pay twice as much for frozen "convenience" foods compared to similar dinners they could prepare themselves. An economist would say

A) the purchase is inefficient because the consumer doesn't really need to pay twice as much for essentially the same dinner. B) the purchase is inefficient because the frozen dinner is of even lower quality than the homemade dinner, yet twice as expensive. C) the purchase is efficient if the consumer feels the savings in preparation time justifies the higher price. D) the purchase is efficient, but the consumer is still probably behaving irrationally.

Managers can reduce the probability of product failure through ________, which ________ the firm's costs.

A) testing; decreases B) audits; increases C) testing; increases D) audits; decreases