Sunlight Design Corporation sells glass vases at a wholesale price of $5.00 per unit. The variable cost to manufacture is $1.75 per unit. The monthly fixed costs are $8,000.00. Its current sales are 27,000 units per month. If the company wants to increase its operating income by 20%, how many additional units must it sell? (Round any intermediate calculations to two decimal places and your final answer up to the nearest whole number.) O A. 31908 glass vases OB. 135,000 glass vases O C. 4,908 glass vases OD. 8,000 glass vases