Looking for steps & answers to 4a and 4b please

Math 105 Online Chapter 4 Write-up Section 4.3: Expected Value 4. The Gone Squatchin' Lottery ticket can be purchased for $1 and has a top prize of $1,200. If you reveal a sasquatch symbol you win that amount. If you reveal binoculars, you also get $10. Using the prize table at https://www.oregonlottery.org/games/scratch-its/details/1283, here is the probability of winning each prize. Prize Probability $1200 10 2, 160, 000 GONE SQUATCHIN $500 14 2, 160, 000 $200 80 $100 $20 $1.200 $15 $30 $10 TWENTY 2, 160, 000 $100 150 SEARCHIN' FOR A WIN? CHECK