Mike and Kim invest $18,000 in equipment to print yearbooks for school. Each yearbook costs $5 to print and sells for $15. How many yearbooks must they sell before their business breaks even?
A1,100 yearbooks
B1,200 yearsbooks
C3,600 yearbooks
D1,800 yearsbooks
A1,100 yearbooks
B1,200 yearsbooks
C3,600 yearbooks
D1,800 yearsbooks