2.1.5. Calculate the G. D.P, if the consumers of a country spent R220 Billion, the government spends R50 Billion and businesses spend R100
Billion, exports totaled R25 Billion and imports R32 Billion. (Show all calculations)
(6)
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What is the most important factor that affects the value of a company? a) cash flow b) earnings c) supply and demand d) number of employees

At which stage would you introduce your product to the market at large? a. development stage b. market testing stage c. commercialization stage d. ideation stage

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