1 Al Kawthar Company has oll and gas properties located only in the United States. Data for Al Kawthar Company as of December 31, 2020, are as follows: Cost to be amortized Production during 2020 O Gas Proved reserves. 31/12/20 Oll Gas Selling price at 31/12/20 O Gas Average selling price during 2020 Ol Gas Compute the DD&A based on unit-of-revenue for 2020. Show ALL workings 37,500,000 19,000,000 bbl 18,000,000 Mcf 14,000,000 bbl 32,000,000 Mcf 120 bbl 20Mct 110bbl 12 Mcf