Answer
No
Work Step by Step
We will substitute $p=25, 50, 75$ in the expression.
So, we have: $C=\dfrac{528(25)}{100-25}=176$
$C=\dfrac{528(50)}{100-50}=528$
$C=\dfrac{528(75)}{100-75}=1584$
We can see that the function is undefined at $p=100$, so our answer is no.