The break even quantity is 60 units
It should be noted that the break even will be when the cost and revenue are equated.
C(x) = 90x + 900
R(x) = 75x
This will be:
90x + 900 = 75x
90x - 75x = 900
15x = 900
x = 900/15
x = 60
Therefore, the break even quantity is 60 units.
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