During and after the financial crisis of 2007minus2009, the fed greatly increased the supply of reserves through three rounds of quantitative easing by a. purchases of long-term treasury securities and sales of mortgage-backed securities. b. sales of both long-term treasury securities and mortgage-backed securities. c. sales of long-term treasury securities and purchases of mortgage-backed securities. d. purchases of both long-term treasury securities and mortgage-backed securities.

An office manager is concerned with declining productivity. despite the fact that she regularly monitors her clerical staff four times each day—at 9: 00 am, 11: 00 am, 1: 00 pm, and again at 3: 00 pm—office productivity has declined 30 percent since she assumed the helm one year ago. would you recommend that the office manager invest more time monitoring the productivity of her clerical staff? explain.

An investment counselor calls with a hot stock tip. he believes that if the economy remains strong, the investment will result in a profit of $40 comma 00040,000. if the economy grows at a moderate pace, the investment will result in a profit of $10 comma 00010,000. however, if the economy goes into recession, the investment will result in a loss of $40 comma 00040,000. you contact an economist who believes there is a 2020% probability the economy will remain strong, a 7070% probability the economy will grow at a moderate pace, and a 1010% probability the economy will slip into recession. what is the expected profit from this investment?

Can someone me ? i’ll mark the best answer brainliest : )