From experience, a local In and Out restaurant knows that cost of producing cheeseburger is $0.75 and they charge $1.95 per cheeseburger. In attempt to boost sales, In and Out has started the promotion at one of their local restaurants. They've put in place a 100% customer satisfaction guarantee. In other terms, if the customer is not satisfied, they will refund all of their money. If a local survey estimated that In and Out customers were satisfied 75% of the time, What is the restaurant's expected gain over a long run?