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please help me to solve the equations according to the screenshots

Part 1 Suppose that you could either prepare your own tax reluru in 5 hours or hire a tax specialist to prepare it for you in 1 hours- You value your time at $22.00 an hour; the tax specialist 1will charge you $65 an hour. 1What is the opportunity cost of preparing your own tax rem? Part2 Suppose that a rm produces 130,000 units a year and sells them all for $12 each. The explicit costs of prorhrction are 31,30,000 and the implicit costs ofproductiou are $320,000. The rm earns an aocouutigr prot of Part3 Answer the questlon based on the demand and cost schedules for a mo nopolisticallyr competitive rm glveh In the table below. Quantity Fri co Demand Ed Total Cost 3 What output qua ntlty wlll the rnonopolisticalry competitl'u'e rm produce to maximlze prots