A farm equipment company was considering a direct mail campaign to remind customers to have tractors serviced before spring planting. The campaign is expected to cost $1,000 and to increase revenues from $45,000 to $50,000. Baseline revenues for tractor servicing (with no marketing) were estimated at $25,000. The direct mail campaign was in addition to the regular advertising and other marketing activities costing $6,000. Contribution on tractor servicing revenues (after parts and labor) averages 60%. If the direct mail campaign is used, what is the Return on Marketing Investment (ROMI)? Select one: O a. 114% O b. 106% O c. 121% O d. 118%