The ability to lower the average costs of production for one product is possible if the production process can be characterized by

a. Increasing returns to scale

b .Decreasing economies of scope

c. Decreasing returns to scale

d. Increasing economies of scope

The ability to lower the average costs of production for two or more products is possible with

a) Economies of scale

b) EconomiesofScope

c) DiseconomiesofScale

d) Diseconomies of Scope

please give me the answer and explanation!