Infinity Color Tech costs $5,000 and prints T-shirts at a rate of $4 per shirt The quality of these shirts is such that you can charge $12 per shirt. Let C(x) represent the total cost in dollars of producing x T-shirts with this technology. Let R(x) represent the total revenue your business takes in from selling x T-shirts with this. The system of equations (C(x) = 5,000 + 4x R(x) = 12x can be used to represent this situation.