The company’s direct labor expenses are $75,000 per month for the 1,540 hours of labor, at $48.70 per hour. Based on current demand, the firm can sell 300 end tables, 180 sofas, and 400 chairs per month. Sales prices are $400 for end tables, $750 for sofas, and $240 for chairs. Assume that labor cost is fixed and the firm does not plan to hire or fire any employees over the next month. Use linear programming excel solver to determine the optimal number of end tables, sofas, and chairs to produce each month.