The balance of supplies at the beginning of the year was 5,000 . At the end of the period, the balance of 1,200 supplies remained. At the end of the period, the balance of prepaid insurance is 2,400 . It covers two years starting 1/7/1431. The balance of unearned revenues is 6,000 . The revenues are for 3 months starting 12/31/1431 Services provided during the period ended on 30/12/1431, but never received nor recorded as of the 30/12/1431 worth of 1,500 . The depreciation expense for the equipment for the period ended on 30/12/1431 is 7,000. The amount of 11,000 salary expenses for 11 months only is recorded. The salary for December has neither been paid nor recorded