Querrey Inc. and Ronno Inc. conduct business in a foreign country that imposes a 3 percent VAT. Querrey produces entertainment videos at a $6 material cost per unit and sells the videos to Ronno for $9 per unit. Ronno sells the videos at retail for $10 per unit. This year, the combined efforts of Querrey and Ronno resulted in sales of 12.4 million videos to the public. Required: Compute the VAT for each corporation.

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