Question 6 Chapter 13 3 Jan. 1, 2014, Wil Oil, Inc. erected an oil platform in the Gulf of Mexico. 2 Wil is legally required to dismantle the platform at the end of its useful life, 2 Useful life estimated at 10 years 7 The cost to build the platform is $10,000,000 Dismantling will cost an estimate of $1,000,000, in 2024. Discount rate estimated at 10 %........? The PV of the ARO is estimated at $385,500 (1m x .3855)