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. Units of Activity (hundreds of pounds Material- of equipment loaded or unloaded) 3,300 3,100 2,800 2,500 3,700 3,900 3,500 3,300 4,100 2,600 2,700 2,900 Handling Department Costs $13,200 12,800 12,000 11,700 12,600 14,800 13,500 12,900 13,920 11,800 12,850 12,850 Month January February March April ay June July August September October November December 3. Predict the firm's material-handling department's costs for a month when 2,150 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