Suppose you won $15 on a lotto ticket at the local 7-Eleven…

Suppose you won $15 on a lotto ticket at the local 7-Eleven and decided to spend all the winnings on candy bars and bags of peanuts. Candy bars cost $0.75 each while bags of peanuts cost $1.50 each. What is the opportunity cost of one more candy bar? (Write your answer in numeric form with one decimal for example 1.2)