The following costs result from the production and sale of 4,300 drum sets manufactured by Tom Thompson Company for the year ended December 31, 2013. The drum sets sell for $280 each. The company has a 35% income tax rate Variable production costs Plastic for casing Wages of assembly workers Drum stands $ 98,900 378,400 137,600 Variable selling costs Sales commissions 90,300 Fixed manufacturing costs Taxes on factory Factory maintenance Factory machinery depreciation 13,000 26,000 86,000 Fixed selling and administrative costs Lease of equipment for sales staff Accounting staff salaries Administrative management salaries 26,000 76,000 156,000