Royals Incorporated leases a piece of equipment to Polar Corporation on January 1, 2017. The lease agreement called for annual rental payments of S8,648 at the beginning of each year of the 3-year lease. The equipment has a fair value of S35,000, a book value of $20,000, and an economic useful life of 5 years after which the residual value will be zero. Both parties expect a residual value of $12,500 at the end of the lease term, though this amount is not guaranteed Royals set the lease payments with the intent of earning a 6% return, and Polar is aware of this rate. There is no bargain purchase option, ownership of the lease does not transfer at the end of the lease term, and the asset is not of a specialized nature PV Annuity Due PV Ordinary Annuity 690, 3 periods 6%, 5 periods 2.83339 4.46511 2.67301 4.21236 PV Single Sum 83962 74726 (a) Describe the nature of the lease to Polar (b) Prepare all necessary journal entries for Polar in 2017 (c) Show how the rental payment is determined by lessor (show your works) (d) Suppose that the residual value is guaranteed by Polar. All other facts being equal, hovw would Royals change the amount of the annual rental payment