Williams Roofing installs a roof on May 15 and receives payment for the job on May 30. Williams' employees will be paid for their labor on June 7. Under the expense recognition principle on what date should Williams recognize the labor expense associated with this job? Why? labor Williams should record the expense on June 7 because that is the day on which the employees are actually paid for their Williams should record the expense on June 30 because that is the last day of the accounting period in which the employees are paid o Williams should record the expense on May 15 because that is the day in which the revenue that corresponds to the labor expense is recorded o Williams should record the expense on May 30 because that is the last day of the accounting period during which the employees performed the labor