$1.$ True or false: How a piece of equipment is maintained is an example of "management conditions" that influence job efficiency factor. $2.$ True or False: A project might allow higher markup $(\%)$ to be applied to the change orders if the work is self$-$performed, rather than done by the subcontractors. $3.$ True or false: There are always some items that are not shown on drawings, but they have to be included in the estimate. $4.$ True or false: Standard man$-$hour info should be adjusted for each specific project.