Problem 8 - 8 Performing a Comprehensive CVP Analysis ( LO2 - CC 5, 6) The Central Valley Company is a manufacturing firm that produces and sells a...

Hello, can someone please help me. I'm new to accounting and i'm having lots of trouble with these questions and i''m not sure how to solve them. i would really really appreciate your help. 

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Problem 8 - 8 Performing a Comprehensive CVP Analysis ( LO2 - CC 5, 6)The Central Valley Company is a manufacturing firm that produces and sells a single product . Thecompany's revenues and expenses for the last four months are given below .Central Valley CompanyComparative Income StatementMarchAprilMayJUNEJOB ' LSales in units6, 2009, 400Sales revenue$783, 900$ 725, 400$:912, 600$ 1, 095, 8:00Less : Cost of goods sold$ 10, 0.50391, 716$74, 5.52560, 898Gross margin$3.67, 850$3.3.3, 684$ 438, 048$ 538, 902Less : Operating EXPENSESShipping Expense*$ 64,900$ 52, 600$ 68, 40052, 500Advertising Expense95, 500$15, 50095, 500$15, 500Salaries and commissions165, 90013:4, 500170,000165, 000Insurance expense*17, 50017, 50017, 50017, 500Amortization EXPENSE5.0, 50050, 50050, 50050, 500Total operating expenses$3.94, 300$350, 600$401, 900$ 391, 000Net income*$ 126, 450)$ 1 16, 916)$ 36, 140$ 147, 902