EcoAuto is a company that produces eco-friendly electric cars. The company has the following financial functions: - Revenue function: R⁡(q)=300⁢q−3⁢q^2 where: q is the number of electric cars sold. - Expense function: E⁡(q)=4,000+50⁢q where: q is the number of electric cars produced. What is the profit equation P⁡(q) for EcoAuto in terms of the quantity q of cars produced and sold?