Derivative classification does not have the same impact and effects as the original classification

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

Acompany has $80,000 in outstanding accounts receivable and it uses the allowance method to account for uncollectible accounts. experience suggests that 6% of outstanding receivables are uncollectible. the current credit balance (before adjustments) in the allowance for doubtful accounts is $1,200. the journal entry to record the adjustment to the allowance account includes a debit to bad debts expense for $4,800. true or false

In canada, the reference base period for the cpi is 2002. by 2012, prices had risen by 21.6 percent since the base period. the inflation rate in canada in 2013 was 1.1 percent. calculate the cpi in canada in 2013. hint: use the information that “prices had risen by 21.6 percent since the base period” to find the cpi in 2012. use the inflation rate formula (inflation is the growth rate of the cpi) to find cpi in 2013, knowing the cpi in 2012 and the inflation rate. the cpi in canada in 2013 is round up your answer to the first decimal. 122.9 130.7 119.6 110.5