A company is considering two investment options, A and B. Option A has a 50% chance of returning a profit of $100,000 and a 50% chance of losing $50,000. Option B has a 70% chance of returning a profit of $70,000 and a 30% chance of losing $20,000. What is the expected value and standard deviation of each option? Which option is riskier and why?

(Show all calculations and round your answers to the nearest dollar)