can someons help me with this practice problem managerial

Required information A company sold a total of 1,000 units for total sales revenue of $60,000. The company incurred total variable expenses of $39,000 and total fixed expenses of $ 14.700. Based on this, the company reported a total contribution margin of $21,000 and net operating income of $ 6,300. Use this information to answer the following questions. Assume that all units are within the relevant range. Calculate the net operating income if the selling price increases by $2 per unit and the sales volume decreases by 100 units. Net operating income