On December $31,2018,$ Federal Inc. signed a lease with Gold Leasing Co$.$ for some equipment having a seven$-$year useful life. The lease payments are made by Federal annually, beginning at signing date. Title doesn't transfer to the lessee, so the equipment will be returned to the lessor on December $31,2024.$ There's no purchase option, and Federal guarantees a residual value to the lessor on termination of the lease.This is Federal's lease amortization schedule.Dec. Payments Interest Decrease Outstanding$31$inBalance$20182018201920202021202220232024$$$90,000$$$90,000$$$90,000$$$90,000$$$90,000$$$90,000$$$36,000$$$17,16514,25111,2218,0704,7931,385$$$90,00072,83575,74978,77981,93085,20734,615$Balance$$519,115429,115356,280280,531201,752119,82234,615$What's the amount of residual value guaranteed byFederal to the lessor?