The following transactions occurred during July: Received $1,020 cash for services provided to a customer during July.
Received $4,400 cash investment from Bob Johnson, the owner of the business
Received $870 from a customer in partial payment of his account receivable which arose from sales in June.
Provided services to a customer on credit, $495.
Borrowed $7,200 from the bank by signing a promissory note.
Received $1,370 cash from a customer for services to be rendered next year.
What was the amount of revenue for July?
a) $1,020.
b) $3,755.
c) $14,860.
d) $1,515.
e) $2,885

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