I. Explain the need for depreciation record, which accounting principle is related with.

II. Mike Herman and two of his friends prepared an article of incorporation ( irket ana szlemesi ) to establish a new Dental Health Clinic and have committed to invest $75.000 each cash and some medical treatment equipment worth $75.000 each at December 1, 2017. (V.A.T. 18% to be closed at the end of the period, estimated useful life 5 years, cost flow assumption to get the highest profit, ):

December 1. Mike Herman and his friends deposited $50.000 each cash only and submitted all of their equipment commitments.

December 2. Rented a place for clinic services from December through May for $60,000 in total and paid to the owner who is not a taxpayer.

December 5. Deposited $12,000 in a bank account opened in the name of the business and received a checkbook.

December 6. Accepted the deal offered by a non-governmental organization concerning the health services of the personnel for a period of 6 months. Received the first two months amount in advance $24,000.

December 7. Purchased some medicines and other supplies for medical treatments 4,000 sets for $1,10 each, issued a short term matured check.

December 10. Purchased surgery equipment for $16,000, issued a delayed check for $6,000 and a note for $4,000.

December 11. The bill for a realized advertisement for the opening of the clinic is $400, and will be paid in the following month.

December 14. Performed and billed health services for $17,400 for some neighbor companies personnel, used 1,400 sets of medicines.

December 15. Paid $500 for an advertisement to be appeared in a newspaper on May.

December 18. The check issued for the surgery equipment is collected by the supplier.

December 18. Purchased same medicines and other supplies 5,000 sets for $1,20 each, issued a short term matured check.

December 19. Purchased an ambulance for $17,000, paid $5,060 in cash and signed 15 notes equally amounted to be paid monthly.

December 24. Rendered services for some instant customers $20,060 in total (V.A.T. included) collected in cash, used 3,000 sets of medicines.

December 28. Billed corporate services $42,500, received $14,000 in cash used 3,000 set of medicines.

December 29. Collected in cash the services performed on December 14.

December 31. Gross pay of the assistants worked in health services amounted to $9000 and $1,000 of the secretary are accrued to be paid in the 5th of May.

Journal book and Moving average method are required to be done