Suppose you pay $2.20 to roll a fair 15-sided die with the understanding that you will get $4.50 back for rolling a 1, 2, 3, or 4. Otherwise, you get no money back. What is your expected value of gain or loss? Round your answer to the nearest cent (i.e. 2 places after the decimal point), if necessary. Do NOT type a "S" in the answer box. Expected value of gain or loss: