QUESTION 9 Lucinda purchased a raffle ticket for $5. Just before the grand prize drawing two people tried to buy her ticket. The first person offered $25, and another later offered $60. What is Lucinda's opportunity cost of keeping the raffle ticket? O a $20 b. $55 c 585 d. $60 QUESTION 10 Select the correct statement regarding relevant costs and revenues. a Relevant costs are future-oriented b. All of these are correct. c. Relevant costs are also known as avoidable costs. d Relevant revenues must differ between the alternatives