Andrew Industries is contemplating issuing a 30-year bond with a coupon rate of 7.00 % (annual coupon payments) and a face value of $ 1 comma 000. Andrew believes it can get a rating of A from Standard & Poor's. However, due to recent financial difficulties at the company, Standard & Poor's is warning that it may downgrade Andrew Industries' bonds to BBB. Yields on A-rated, long-term bonds are currently 6.50 %, and yields on BBB-rated bonds are 6.90 %.A. What is the price of the bond if Andrew Industries maintains the A rating for the bond issue? B. What will be the price of the bond if it is downgraded?

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