Uranium Mining Company, founded in 1970 to mine and market uranium, purchased a mine in 1971 for $900 million. It estimated that the uranium had a market value of $150 per ounce. By 2000, the market value had increased to $300 per ounce. Records for 2000 indicate the following:

Production 200,000 ounces Sales 230,000 ounces Deliveries 190,000 ounces Cash collection 210,000 ounces Costs of production including depletion* $50,000,000 Selling expense $2,000,000 Administrative expenses $1,250,000 Tax rate 50%

*Production cost per ounce has remained constant over the last few years, and the company has maintained the same production level.

Required a.Compute the income for 2000, using each of the following bases:

1.Receipt of cash 2.Point of sale 3.End of production 4.Based on delivery b.Comment on when each of the methods should be used. Which method should be used by Uranium Mining Company?