what is the total of sales for a product with the consumer demand of price = $15.00 quantity demanded =55,000

The following information is available for jase company: market price per share of common stock $25.00 earnings per share on common stock $1.25 which of the following statements is correct? a. the price-earnings ratio is 20 and a share of common stock was selling for 20 times the amount of earnings per share at the end of the year. b. the market price per share and the earnings per share are not statistically related to each other. c. the price-earnings ratio is 5% and a share of common stock was selling for 5% more than the amount of earnings per share at the end of the year. d. the price-earnings ratio is 10 and a share of common stock was selling for 125 times the amount of earnings per share at the end of the year.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?