I need help with these long questions??

Mastery Problem: Cost-Volume-Profit Analysis Cost Behavior Cover-to-Cover Company is a manufacturer of shelving for books. The company has compiled the following cost data, and wants your help in determining the cost behavior. After reviewing the data, complete requirements (1) and (2) that follow. Total Total Total Machine Units Lumber Utilities Depreciation Produced Cost Cos Cost 6,000 shelves $72,000 $7,900 $135,000 12,000 shelves 144,000 14,800 135,000 24,000 shelves 288,000 28,600 135,000 30,000 shelves 360,000 35,500 135,000 1. Determine whether the costs in the table are variable, fixed, mixed, or none of these. Lumber Utilities Depreciation 2. For each cost, determine the fixed portion of the cost, and the per-unit variable cost. If there is no amount or an amount is zero, enter "0". Recall that, for N = Number of Units Produced, Total Costs = (Variable Cost Per Unit x N) + Fixed Cost. Complete the following table with your answers. Round variable portion of cost (per unit) answers to two decimal places. Fixed Portion Variable Portion Cost of Cost of Cost (per Unit) Lumber Utilities Depreciation High-Low Biblio Files Company is the chief competitor of Cover-to-Cover Company in the bookshelf business. Biblio Files is analyzing its manufacturing costs, and has compiled the following data for the first six months of the year. After reviewing the data, answer questions (1) through (3) that follow. Units Produced Total Cost January 4,360 units $65,600 February 27 6,250 March 1,000 15,000 April 8,775 133,750 May 1,750 32,500 June 3,015 48,000 1. From the data previously provided, help Biblio Files Company estimate the fixed and variable portions of its total costs using the high-low method. Recall that Total Costs = (Variable Cost Per Unit x Number of Units Produced) + Fixed Cost. Complete the following table. Total Fixed Cost Variable Cost per Unit 2. With your Total Fixed Cost and Variable Cost per Unit from the high-low method, compute the total cost for the following values of N (Number of Units Produced). Number of Units Produced Total Cost 3,500 4,360 8,775 3. Why does the total cost computed for 4,360 units not match the data for January? a. The high-low method is accurate only for months in which production is at full capacity. b. The high-low method only gives accurate data when fixed costs are zero.6=114 ...i e E} (D v2.cengagenow.com [I] wanna-aux