________ is the cost of a foregone alternative

Which type of cost is independent of the volume of production?

A) inventory cost B) marginal cost C) sunk cost D) variable cost E) fixed charge

A retirement plan guarantees to pay you or your estate a fixed amount for 20 years. At the time of retirement, you will have $31,360 to your credit in the plan. The plan anticipates earning 8% interest annually over the period you receive benefits

How much will your annual benefits be, assuming the first payment occurs one year from your retirement date? A) $682 B) $6,272 C) $2,000 D) $3,194