Ivanhoe Oil Company acquired property rights to search for natural resources on land that it is canvinced has oil reserves, for $15,417.990. The contract requires that lvanhue restore the property to a status usable for a park after drilling and extraction are complete. The estimated cost of this restoration is $2,359.000. Ivanhoe incurs exploration censts of $1,316,000 and intangible development costs of $1,538,000. Geological surveys suggest that approximately 1,117,000 barrels of oil can be extracted from the site. In 2025 , Ivanhoe extracts 249,000 batrels of oil. What is the depletion base for this location for Ivanhoe Oil