Use the NPV method to determine whether Preston Products should invest in the following projects: Project A: Costs $270,000 and offers eight annual net cash inflows of $53,000. Preston Products requires an annual return of 12% on investments of this nature. Project B. Costs $380,000 and offers 9 annual net cash inflows of $71,000. Preston Products demands an annual return of 10% on investments of this nature. (Click the icon to view Present Value of $1 table.) (Click the icon to view Present Value of Ordinary Annuity of $1 table,)