You own a large building with $300$ small salon studio that you lease at a rate of$$ $$750$ per month per unit. When the studios are$80\%$ occupied, monthly operating costs total$$ $$140,000,$ $$80,000$ of which are variable costs. A nearby university is opening up and there is an expected demand increase for your studios. You expect to be able to operate at$85\%$ capacity. Based on the cost behavior of the current studio rental$$ business, what is the predicted monthly operating income when$85\%$ of units are leased$$ out?

Question $4$ options:

$40,000$

$$191,250$

$$46,250\mathrm{.}85$

$$144,999\mathrm{.}15$

Cannot determine from information provided.