73) Sportstuff, Inc. is investigating the feasibility of adding a new skateboard to its line-up of products. The marketing department believes that 10,000 units can be sold at $90 each. Sportstuff requires a 25% profit margin (i.e. cost is 75% of selling price) on all products. To achieve its goal, Sportstuff must earn revenues on the product of: a) $225,000 b) $675,000 c) $506,250 d) $900,000