Managers who practice total quality management do which of the following?

a. Invest resources in inspecting and repairing products once they are produced.
b. Invest at the front end of the value chain in research and development and design to produce a superior product.
c. Both of the above are correct
d. None of the above are correct

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

Why do you think the federal government commits so much time and so many resources to supporting small businesses when they make less of a contribution to the overall economy than large corporations?

Cesar had a part-time job last year. he worked every week for the year and made $23 an hour. he worked 28 hours each week. cesar saved what was left of his earnings after paying all of his monthly expenses. at the end of the year, he had saved $3,360. what were cesar’s average monthly expenses, rounded to the nearest dollar?