Which of the following is NOT an example of a financial derivative?

An increase in a consumer's income will increase the Marginal Rate of Transformation

Indicate whether the statement is true or false

If variable cost rises from $60 to $100 as output increases from 15 to 20 units, the marginal cost of the twentieth unit

a. is $100 b. is $5 c. is $40 d. is $8 e. cannot be determined without total cost