A firm's marginal rate of return on investment curve shows the ...

[Yi-Chen]

A firm's marginal rate of return on investment curve shows the amount
 a. saved by the firm at each alternative interest rate
  b. invested by the firm at each alternative interest rate
  c. saved by the firm at each alternative rate of time preference
  d. invested by the firm at each alternative marginal resource cost
  e. saved by the firm at each alternative marginal revenue product of investment

Question 2

The trade balance is
 a. the services balance plus the current account balance plus the capital account balance
  b. merchandise exports minus merchandise imports
  c. the current account balance plus the capital account balance
  d. foreign purchases of domestic assets minus domestic purchases of foreign assets
  e. the services balance plus the capital account balance

[af]

Answer to Question 1

B

Answer to Question 2

B