Please help track down these codifications!

Researching the Codification for Proper Citation Research the Codification and report the proper citation that provides guidance on each of the following topics. a. Using present value to estimate the fair value of uncertainties in long-lived assets FASB ASC b. Using present value to account for notes exchanged for property, goods, or services FASB ASC c. Accounting for discounts and premiums in notes as the difference between the present and face value FASB ASC xxx d. Interest rate used when computing the present value of a lease liability FASB ASC Researching the Codification for Proper Citation Research the Codification and report the proper citation that provides guidance on each of the following topics. a. Using present value to estimate the fair value of uncertainties in long-lived assets FASB ASC b. Using present value to account for notes exchanged for property, goods, or services FASB ASC c. Accounting for discounts and premiums in notes as the difference between the present and face value FASB ASC xxx d. Interest rate used when computing the present value of a lease liability FASB ASC