On Jan-1 Purchased office supplies of 4,000 - 9.1 on cash Supplies used during the month is 1,500 -2 On March 30- 3 months' insurance expired -3 .amounted to 600 On Jan-1 Paid 12,000 for 12-month rent -4 On Jan 31- 500 of service provided to the -5 .customer On Jan-31 One month rent expired -6 On Jan-31 Salaries occurred amounted to 500.-7 7) L ( ) ) 1