please help

30) Merrimack Tire Company makes a special kind of racing tire, Variable costs are $220 per unit, and ed costs are $30,000 per month. Merrimack sells 500 units per month at a sales price of ss00. If the fix price to $325. If so, the variable quality of the tire is upgraded, the company believes it can increase the will increase to $230 per unit, and the fixed costs will rise by 40% Should Merrimack process further and upgrade the tire? Show all computations. ( points)