b. Calculate DD&A for 2006, assuming that part of the field, a proved property with gross acquisition costs of $30,000 and gross equipment cost of $70,000 and IDC of $215,000, was abandoned during 2006.

15. King Oil Company has the working interest in a fully developed lease located in Texas. As of 12/31/07, the lease had proved developed reserves of 1,200,000 barrels and unrecovered costs of $12,000,000. During the third quarter of 2008 , a new reserve study was received that estimated proved developed reserves of 1,500,000 as of August 1,2008 . Calculate DD\&A for each quarter, assuming the following production and using the first method illustrated in the chapter. 15. King Oil Company has the working interest in a fully developed lease located in Texas. As of 12/31/07, the lease had proved developed reserves of 1,200,000 barrels and unrecovered costs of $12,000,000. During the third quarter of 2008 , a new reserve study was received that estimated proved developed reserves of 1,500,000 as of August 1,2008 . Calculate DD\&A for each quarter, assuming the following production and using the first method illustrated in the chapter