1409. A contractor is considering trading in an older truck crane on a new model. The data are as follows: Contractor's ordinary income tax bracket 40% Purchase price of new truck crane $150,000 Estimated Life 60 months Initial Monthly Operating and Maintenance (O&M) Monthly Gradient increase in O&M $4,500 $50 Use i = 1.5% per month, compounded monthly The present work after taxes of only the monthly gradient increase in O&M is most nearly A) $19,760 B) $24,020 C) $29,650 D) $49,400