Please the attached three images and the note in red.

New Laser-Controlled Edger: The new edger has numerous advantages over its defender. These advantages include laser beams that indicate where cuts should be made to obtain the maximum yield by the edger. The new edger requires a single operator, and labor savings will be reflected in lower operating and maintenance costs of $35,000 a year. Estimated Cost Equipment Equipment Installation Building Conveyor modification Electrical (wiring) Sub total Engineering Construction management Contingency Total Useful life of new edger Salvage value Building (tear down) Equipment Annual O&M costs $35,700 21,500 47,200 14,500 16,500 $135,400 7,000 20,000 16,200 $178,600 10 years $0 10% of the original cost $35,000