Gill Fishing, a company that provides fishing expeditions for tourists at 8 locations across the globe, sold 15 tickets for expeditions at its various locations on January 1, 2015 for a total of $15,000 ($1,000 per customer). The customers will go on the expeditions during the fishing months from May - September 2015. All of the customers paid in cash at the time of the purchase. What impact would the receipt of cash have on this date?