An open-market purchase of bonds by the Central Bank A. increases monetary base and reduces the nominal interest rate.
B. increases monetary base and reduces bond prices.
C. has no effect on the monetary base or the nominal interest rate.
D. increases the monetary base but reduces the nominal money supply.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer

Which statement best describes the two reactions? abcl, + h2 → 2hci2h + h = he + inreaction a involves a greater change, and reaction b involves a change in element identity.reaction b involves a greater change and a change in element identityreaction a involves a greater change and a change in element identity.reaction b involves a greater change, and reaction a involves a change in element identity.

Robert is a district manager who oversees several store managers in a national chain of restaurants. robert reports directly to the vice president of stores and marketing, a member of top management. robert is a middle manager.t/f