e. MPC + (1 – MPC)
Orange juice and cranberry juice are substitute goods. An increase in the price of orange
juice results in a(n)
a. increase in the demand for orange juice
b. increase in the supply of cranberry juice
c. increase in the quantity demanded of orange juice
d. increase in the demand for cranberry juice
e. decrease in the quantity demanded of cranberry juice
Carl is considering attending a concert with a ticket price of $35. He estimates that the
cost of driving to the concert and parking there will total an additional $20. In order to
attend the concert, Carl will have to take time off from his part-time job or forgo
studying for an exam scheduled for the next morning. He estimates that he will lose 5
hours at work, at a wage of $6 per hour, or 5 hours of study time. If Carl considers
studying the best alternative use of his time, his opportunity cost of attending the
concert equals
a. $55
b. $55 plus the value of the higher exam grade he could earn by studying for 5 hours
c. $85 plus the value of the higher exam grade he could earn by studying for 5 hours