Answer:
To break even 100 shower surrounds must be sold
Step-by-step explanation:
To break even R(x) = C(x) that is no profit or loss
R(x) = C(x)
81.50x = 63x + 1850
81.50x -63x = 1850
18.5x = 1850
x = 1850/18.5
x = 100
To break even 100 shower surrounds must be sold