An optimal set of assignments for a production line cannot be obtained by assigning tasks to workstations in order of either: (1) the most following tasks; or (2) the sum of the task’s time and the times of all following tasks. true or false?

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

The common stock of ncp paid $1.35 in dividends last year. dividends are expected to grow at an annual rate of 5.30 percent for an indefinite number of years. a. if ncp's current market price is $22.57 per share, what is the stock's expected rate of return? b. if your required rate of return is 7.3 percent, what is the value of the stock for you? c. should you make the investment? a. if ncp's current market price is $22.57 per share, the stock's expected rate of return is

You are in the market for a new refrigerator for your company’s lounge, and you have narrowed the search down to two models. the energy efficient model sells for $700 and will save you $45 at the end of each of the next five years in electricity costs. the standard model has features similar to the energy efficient model but provides no future saving in electricity costs. it is priced at only $500. assuming your opportunity cost of funds is 6 percent, which refrigerator should you purchase