Z. Corp. is considering two mutually exclusive projects, A & B. Project A costs $50,000 and is expected to generate $38,000 n year one and $30,000 in year two. Project B costs $70,000 and is expected to generate $24,000 in year one, $32,000 in year two, $23,000 in year three, and $29,000 in year four. Z. Corp.'s required rate of return for these projects is 12%. Which project would you recommend using the replacement chain method to evaluate the projects with different lives?