A company manufactures two types of wedding dresses, mermaid and ballroom style for sale. The mermaid makes a profit of N$1000 and ballroom makes a profit of N$850. The manufacture of each of the dresses involves 3 parts, designing, cutting and sewing. The mermaid requires 12hours of designing, 9 hours of cutting and 30 hours of sewing. The ballroom requires 24hours of designing, 5 hours of cutting and 30 hours of sewing. Due to the number of employees available at the company there is at most 480 hour available for designing, 180 hours for cutting and 720 hours for sewing. Assume that the company can sell all the wedding dresses it manufactures, find the maximum number of each type of wedding dress the company should manufacture to maximize profit.