案例一：Mr. Lee, who won in a lottery, earned 1 million dollars from the lottery after payment of individual income tax for this event. With the amount of money, he purchased a grocery at a price $600,000 on January 1,2002, the grocery, which including inventories amount to $200,000 and business equipments $50,000, will be dismantled in 7 year because of occupation of new express way. With the grocery, Mr. Lee began his business. As usually, credit transactions always occurred in both his purchase and sale, and recorded by himself. All cash transactions, without any record, has been controlled by Mr. Lee, At the end of 2002, the tax authority urged him to pay business income tax. But he can not provide any date of his annually profit. He had to ask you to help. When you agree to do so. How to start your accounting job for Mr. Lee’s grocery?
After your physical check and interview with Mr. Lee, you obtained following information
Cash in hand $160,000
Inventories $380,000
Business Debtors $120,000
Business Creditors $30,000
Loan to his relatives $150,000
Water and electric bills $15,000
Mr. Lee’s Consumption in this year $100,000
请问该怎么做呢?这道题。谢谢