Refer to the figure above. What is the domestic price of calculators in Barylia?

Which of the following is TRUE about product markets?

A) Factors (land, labor, capital, and entrepreneurial ability) flow from firms to households. B) Factors (land, labor, capital, and entrepreneurial ability) flow from households to firms. C) Goods and services flow from firms to households. D) Goods and services flow from households to firms.

The reasons why a competitive firm's short-run supply curve is upward sloping are

A) the law of diminishing marginal returns and profit maximization. B) constant returns to scale and profit maximization. C) decreasing returns to scale and profit maximization. D) Both B and C.