Billy fell off a bar stool and hurt his back. As a result, he was unable to work for three months. He sued the bar owner and collected $100,000 for the physical injury and $50,000 for the loss of income. Billy also collected $15,000 from an income replacement insurance policy he purchased. Amber was away from work for three months following heart bypass surgery. Amber collected $30,000 under an income replacement insurance policy purchased by her employer. Are the amounts received by Billy and Amber treated the same under the tax law

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