Homework: Homework Chapter 15 Score: 0 of 4 pts P15-40B (similar to) 5 of 5 ( A living roof is a roof of a building that is completely covered with grass or other vegetation planted over a waterproof layer (to protect the building interior). The Ford Motor Company's Rouge Plant in Dearborn, Michigan, is an example of a successful implementation of a living roof. (Click the icon to view the benefits of a living roof.) (Click the icon to view information on a long-lasting roof.) The other roofing alternative is a living roof. (Click the icon to view information on the living roof.) Requirement 1. Calculate the present value of the composite roof. (Round your answers to the nearest whole dollar. Use a minus si The present value of the composite roof is