Please provide me with detail breakdown and explanation as to the result of the below scenario.
An apparel company manufacturing women only clothing also offers an in-store fitness studio, a café and a climbing wall. The store earns profit in excess of $500k / yr. It is located on prime real estate. The store-owner pays $15k /month in rent for the building. A real estate agent offering $8k per month for renting the fitness studio approaches the company. What is the opportunity cost of keeping the fitness studio within the store?