Dean Computer Services provides services to corporate and individual customers. During the month of June, the corporate business segment provided services to 300 customers and earned $80,000 in revenue. The individual business segment provided services to 200 customers and earned $45,000 in revenue. The variable costs for the corporate and individual business segments amounted to $32,000 and $25,000, respectively. In addition, the fixed costs of the company amounted to $8,500. The contribution margin ratios of the corporate segment and individual segment are ________, respectively. (Round your answers two decimal places.)

Select one:

A. 40.00% and 55.56%

B. 106.67% and 25.00%

C. 60.00% and 44.44%

D. 40.00% and 44.44%