help please

Halva Corporation produces and sells a single product whose selling price is $110 per unit and whose variable expense is $28 per unit. The company's monthly fixed expense is $320,000. Required: a. Assume the company's monthly target profit is $16,000. Determine the unit sales to attain that target profit. Show your work! b. Calculate operating leverage if sales are $ 500,000. Determine with its help how the profit will change if sales increase by 10%. Show your work! 7 E = E