A building 30 ft by 52 ft, with 4 windows and one 3-ft door along one 52-ft wall, and 4 windows and one 8-ft sliding glass door along the other 52-ft wall. The 30-ft walls have 2 windows each. 2  6 studs are placed 16 o.c. a. Find the material needed for the shoe and double top plates. Provide an economical list of lengths and number of pieces. b. Find the number of studs. c. Determine the amount of 2  6s needed for door and window headers. d. Find the cost of materials in a, b, and c if 2 6s are priced at 58 cents per linear foot.