This question relates to the Accountant Problem. Consider the following sample of total cost and production volume data for a manufacturing operation. Total Cost ($) Production Volume (units) 4700 400 5700 450 6100 550 7100 7700 Find the estimated simple regression equation to estimate the total cost for a company based on the production volume. What is the y-intercept of this equation? Round your answer to one decimal place. This question relates to the Accountant Problem. What is the slope of the equation found in the previous problem? Round your answer to one decimal place. This question relates to the Accountant Problem. Let k be the slope of the regression equation. What can the accountant conclude? For every [ Select ] V , we expect the [ Select ] VThis question relates to the Accountant Problem. The accountant wants to estimate the total cost for a manufacturer that produces 300 units. What would you advise the accountant to do? O The accountant can have confidence in the estimate of the regression equation when using x=300. The accountant can have confidence in the estimate of the regression equation when using y=300. O The accountant should be cautious as using y=300 is an example of extrapolation. O The accountant should be cautious as using x=300 is an example of extrapolation