Spruce-Up Company provides cleaning services to commercial and residential customers. The commercial business segment provided services to 250 customers and the residential business segment provided services to 625 customers. Service Revenue Variable Costs Fixed Costs Operating Income Commercial Residential Total $86,000 $115,000 $201,000 31,000 56,000 87,000 46.000 53,000 99.000 $9000 $6000 $15.000 Identify the segment with the lower contribution margin ratio and show the amount of its contribution margin ratio. (Round your answer to two decimals.) Commercial, 40.00% Residential, 48.70% Commercial, 10.47% Residential. 51.30%