please help solve this two questions

Sage Hill Enterprises is using a discounted cash flow model, Identify which model Sage Hill might use to estimate the discounted fair value under each scenario, and calculate the fair value using the present value tables: (For calculation purposes, use 5 decimal places as displayed in the factor table provided. Round final answers to 2 decimal places, e.g. 5,275.25.) Click here to view the factor table PRESENT VALUE OF 1. Click here to view the factor table PRESENT VALUE OF AN ANNUITY OF 1