Courtney's Caffeine Castle is investigating the feasibility of adding a new espresso maker to its line-up of products. The marketing department believes that 15,000 units can be sold at $90 each. Courtney's requires a 30% profit margin (i.e. cost is 70% of selling price) on all products. To achieve its goal, Courtney's must keep total costs equal to or below:
A. $675,000.
B. $900,000.
C. $661,500.
D. $945,000.