Atalina just inherited a vineyard from a distant relative. in good years (when there is no rain or frost during harvest season), she earns $110 comma 000 from the sale of grapes from the vineyard. if the weather is poor, she loses $30 comma 000. catalina's estimate of the probability of good weather is 50%. the expected value of catalina's income from the vineyard is $ nothing. (round your answer to the nearest dollar)

Galwaysc electronics makes two products. model a requires component a and component c. model b requires component b and component c. new versions of both models are released each year with updated versions of all components. all components are sourced overseas, and abc contracts annually for a quantity of each component before seeing that year’s demand. components are only assembled into finished products once demand for each model is known. for the coming year, alwaysc’s purchasing manner has proposed ordering 500,000 units of component a, 630,000 of component b, and 1,000,000 units of component c. her boss has asked why she has recommended purchasing so much of components a and b when alwaysc will not have enough of component c to fully use all of the inventory of a and b. what factors might the purchasing manager cite to explain her recommended order? explain your reasoning.

Shawn received an e-mail offering a great deal on music, movie, and game downloads. he has never heard of the company, and the e-mail address and company name do not match. what should shawn do?

Ichelle is attending college and has a part-time job. once she finishes college, michelle would like to relocate to a metropolitan area. she wants to build her savings so that she will have a "nest egg" to start her off. michelle works out her budget and decides she can afford to set aside $9090 per month for savings. her bank will pay her 4 %4% per year, compounded monthly, on her savings account. what will be michelle's balance in five years?