Questions
1. Calculate the number of this lumber you will need per chair.
2. Determine the operations needed to make the chair and draw a process flow diagram. Note that the crossbars and rails have a tenon (a small round tip) on each end that will go in the mortise (the hole) of the posts. These have to be made. Also the seat’s corners have to be cut to allow for the posts.
School chairs are usually made of plastic and metal, costing anywhere from $30 to $100 each. You wish to evaluate the idea of manufacturing wooden chairs for sale to schools, chuches, etc. You have found the following design for a chair.

Most wooden chairs are made of hardwoods such as oak, maple cherry, or cedar. Suppose that cedar is cheaper where you live. The dimensions of the parts of the chairs are as follows: