please help I cant figure it out

O A wood products corupany has decided to qurchase new logging equipment for $118,987 with a trade-in of its old equipment. The old squip has a Bu of $10,000 at the time of trade in. the new equipneent will be kept for logrs before being sold. It's estimated SV at the time is expected to be $5.000. Using the MACRS LGDS) recovery period, the depreciation charge permissibleat year te is equal to." dhore cost x 1 x useful lite A x Depreciation convention Ans. 33067