Purchasing-power parity theory does not hold at all times because a. many goods are not easily transported. b. the same goods produced in different countries may be imperfect substitutes for each other. c. Both a and b are correct. d. prices are different across countries.

He management's discussion and analysis (md& a) required in general purpose federal financial reporting is different than that required by gasb of state and local governments in that: a. it includes information about the agency's performance goals and results in addition to financial activities. b. it is outside the general purpose federal financial report and is optional, not required. c. it is a part of the basic financial statements and, as a result, it is audited along with the financial statements. d. there are no significant differences.

Josie just bought her first fish tank a 36 -gallon glass aquarium, which she’s been saving up for almost a year to buy. for josie, the fish tank is most likely what type of purchase

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