Problem 4 ant started the month with a food inventory of $2,000. Its purchases for the month were $10,000 and its cost of food used was $9,000. What is its ending inventory? Problem 5 A restaurant ended the month with a food inventory of $4,000. Its purchases for the month were $12,000 and its cost of food used was $11,000. What was its beginning inventory? Problem 6 An asset was purchased at a cost of $20,000. It is being depreciated at the rate of $4,000 per year. What is its useful life expressed in years