For the past four years, ABC reported the following annual net income and dividend amounts: Year Net Income Dividends 1 $22,000 $2,000 2 17,000 2,000 3 9,000 1,000 4 14,000 3,000 If ABC had Retained Earnings of $88,000 at the end of year 5, At the end of Year 4, Retained Earnings was $70,000. What was the company's Retained Earnings at the beginning of Year 1

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