Harrold, Inc., a manufacturer of plastic products, reports the following manufacturing costs and account analysis classification for the year ended December 31, 2017. (Click the icon to see the account classification.) Harrold, Inc., produced 70,000 units of product in 2017. Harrold's management is estimating costs for 2018 on the basis of 2017 numbers. The following additional information is available for 2018. (Click the icon to see the additional information.) Required Requirement 1. Prepare a schedule of variable, fixed, and total manufacturing costs for each account category in 2018. Estimate total manufacturing costs for 2018. (Round any intermediary calculations to the nearest cent and final answers to the nearest dollar. Complete all answer boxes. Enter a zero if the account does not have a balance.) Total variable Account costs in 2018 Direct materials Direct manufacturing labour Power Supervision labour Materials-handling labour Maintenance labour Depreciation Rent, prop. taxes, and admin. Total A Account classification Account Direct materials Direct manufacturing labour Power Supervision labour Materials-handling labour Maintenance labour Depreciation Rent, property taxes, and administration Classification Amount All variable $ 350,000 All variable 280,000 All variable 70,000 15% variable 70,000 60% variable 52,500 50% variable 70,000 0% variable 88,000 0% variable 120,000 a. Direct materials prices in 2018 are expected to increase by 8% compared with 2017 b. Under the terms of the labour contract, direct manufacturing labour wage rates are expected to increase by 4% in 2018 compared with 2017 c. Power rates and wage rates for supervision, materials handling, and maintenance are not expected to change from 2017 to 2018. d. Depreciation costs are expected to increase by 10%, and rent, property taxes, and administration costs are expected to increase by 11%. e. Harrold expects to manufacture and sell 80,000 units in 2018. 1. Prepare a schedule of variable, fixed, and total manufacturing costs for each account category in 2018. Estimate total manufacturing costs for 2018. 2. Calculate Harrold's total manufacturing cost per unit in 2017 and estimate total manufacturing cost per unit in 2018. 3. How can you obtain better estimates of fixed and variable costs? Why would these better estimates be useful to Harrold