Question

i need help please!!!(:
The cost C of producing x number of scientific calculators is given by C = 4.50x + 3000 and
the revenue R from selling them is given by R = 16.50x.
a) Find how many calculators must be sold to break even.
b) Find how much money is needed to produce the break-even number of calculators.
c) Explain in your own words what happens if a company makes and sells fewer products
than the break-even number.
d) Explain in your own words what happens if more products than the break-even number
are made and sold.