Calculating present value (l02) imprudential, inc., has an unfunded pension liability of $415 million that must be paid in 20 years. to assess the value of the liability of $415 million that must be paid in 20 years. to assess the value of the firm's stock, financial analysis want to discount this liability back to present. if the relevant discount rate is 5.2 percent, what is the present value of this liability?