The following events pertain to Jasper Corporation: May 1 Jasper purchased office supplies of $3,000 on account. May 5 The office supplies were shipped to Jasper. May 8 Jasper used these office supplies for a one-time event. May 9 Jasper paid $3,000 cash for the office supplies purchased on May 1. Using cash-basis accounting, on which date should Jasper record supplies expense?