Please help, with short explanation step by step

Amount of claim (to the nearest Probability $20,000) The table shows claims and their probabilities for an insurance $0 0.70 company. $20,000 0.16 $40,000 0.06 $60,000 0.04 $80,000 0.03 $100,000 0.01 a. Calculate the expected value. b. How much should the company charge as an average premium so that it breaks even on its claim costs? c. How much should the company charge to make a profit of $50 per policy