(FiNISH 1,2,3)Marthas Vineyard Marine Supply is a wholesaler for a large variety of boating and fishing equipment. The companys controller, Mathew Knight, has recently completed a cost study of the firms material-handling department in which he used work measurement to quantify the departments activity. The control factor unit used in the work-measurement study was hundreds of pounds of equipment unloaded or loaded at the companys loading dock. Knight compiled the following data.

! Required information [The following information applies to the questions displayed below.] Martha's Vineyard Marine Supply is a wholesaler for a large variety of boating and fishing equipment. The company's controller, Mathew Knight, has recently completed a cost study of the firm's material handling department in which he used work measurement to quantify the department's activity. The control factor unit used in the work-measurement study was hundreds of pounds of equipment unloaded or loaded at the company's loading dock. Knight compiled the following data. Month January February March April May June July August September October November December Units of Activity (hundreds of pounds of equipment loaded or unloaded) 2,200 2,000 1,700 1,400 2,600 2,800 2,400 2,200 3,000 1,500 1,600 1,800 Material-Handling Department Costs $12,100 11,700 11,450 10,600 11,500 13,150 12,400 11,800 12,600 11,250 11,750 11,750 Required: 1. Construct an Excel spreadsheet and use the Excel commands to perform a least-squares regression. Estimate the variable- and fixed-cost components in the company's material handling department costs. (Do not round intermediate calculations. Round the Variable-cost component to 2 decimal places and the Fixed-cost component to the nearest whole dollar amount.) Fixed-cost component Variable-cost component 2. Complete the least-squares regression equation for the department's costs. (Do not round intermediate calculations. Round variable cost per unit to 2 decimal places and other answer to the nearest whole dollar amount.) Total monthly cost = per unit of activity 3. Predict the firm's material-handling department's costs for a month when 2,450 units of activity are recorded. (Do not round intermediate calculations. Round variable cost per unit to 2 decimal places and final answer to the nearest whole dollar amount.) Total monthly cost