Suppose you enter a contest where your probability of coming in first place is 0.28 and your probability of coming in second place is 0.23. If you come in first place, you win $73. If you come in...

Suppose you enter a contest where your probability of coming in first place is 0.28 and your probability of coming in second place is 0.23. If you come in first place, you win $73. If you come in second place, you win $21. If you don't come in first or second place, you have to pay $30. What is the expected value of this game?


Answer = $ ?
Round your answer to the nearest penny/cent (two decimal places).Include a negative sign, if appropriate.