2 and 3 pls help if u can

The returns on the common stock of maynard cosmetic specialties are quite cyclical. in a boom economy, the stock is expected to return 22 percent in comparison to 9 percent in a normal economy and a negative 14 percent in a recessionary period. the probability of a recession is 35 percent while the probability of a boom is 10 percent. what is the standard deviation of the returns on this stock?

Jaynet spends $50,000 per year on painting supplies and storage space. she recently received two job offers from a famous marketing firm – one offer was for $95,000 per year, and the other was for $120,000. however, she turned both jobs down to continue a painting career. if jaynet sells 35 paintings per year at a price of $6,000 each: a. what are her accounting profits? b. what are her economic profits?

Warby parker, a manufacturer of fashionable prescription eyewear, notes on its website, "warby parker was founded with a rebellious spirit and a loft objective: to offer designer eyewear at a revolutionary price, while leading the way for socially-conscious business." this excerpt from the company's website states warby parker's