Determine whether each of the following topics would more likely be studied in microeconomics or macroeconomics. microeconomics macroeconomics a consumer's optimal choice when buying a flat-screen tv the effect of government regulation on a monopolist's production decisions the optimal interest rate for the federal reserve to target the effects of government tax policy on long-term economic growth grade it now save & continue continue without saving

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