first pic is question! please i need help! it would be greatly appreciated.

Create a table containing the project activities used in the letter assigned to each activity, the time estimates, and the precedence relationships from which you will assemble the network diagram. a. Order all needed material and parts (upholstery, windshield, carburetor, and oil pump). Time: 2 days. Cost (telephone calls and labor): $100. b. Receive upholstery material for seat covers. Cannot be done until order is placed. Time: 30 days. Cost: $2,100. C. Receive windshield. Cannot be done until order is placed. Time: 10 days. Cost: $800 d. Receive carburetor and oil pump. Cannot be done until order is placed. Time: 7 days. Cost: $1,750. e. Remove chrome from body. Can be done immediately. Time: 1 day. Cost: $200. f. Remove body (doors, hood, trunk, and fenders) from frame. Cannot be done until chrome is removed. Time: 1 day. Cost: $300. g. Have fenders repaired by body shop. Cannot be done until body is re- moved from frame. Time: 4 days. Cost: $1,000. h. Repair doors, trunk, and hood. Cannot be done until body is removed from frame. Time: 6 days. Cost: $1,500. 1. Pull engine from chassis. Do after body is removed from frame. Time: 1 day. Cost: $200 J. Remove rust from frame. Do after the engine has been pulled from the chassis. Time: 3 days. Cost $900. k. Regrind engine valves. Do after the engine has been pulled from the chassis. Time: 5 days. Cost: $1,000. 1. Replace carburetor and oil pump. Do after engine has been pulled from chassis and after carburetor and oil pump have been received. Time: 1 day. Cost: $200 m. Rechrome the chrome parts. Chrome must have been removed from the body first. Time: 3 days. Cost: $210. n. Reinstall engine. Do after valves are reground and carburetor and oil pump have been installed. Time: 1 day. Cost: $200. 0. Put doors, hood, and trunk back on frame. The doors, hood, and trunk must have been repaired first. The frame must have had its rust re- moved first. Time: 1 day. Cost: $240. p. Rebuild transmission and replace brakes. Do so after the engine has been reinstalled and the doors, hood, and trunk are back on the frame. Time: 4 days. Cost: $2,000. 4. Replace windshield. Windshield must have been received. Time: 1 day. Cost: $100. 1. Put fenders back on. The fenders must have been repaired first, the transmission rebuilt, and the brakes replaced. Time: 1 day. Cost: $100. s. Paint car. Cannot be done until the fenders are back on and windshield replaced. Time: 4 days. Cost: $1,700. t Reupholster Interior of car. Must have received upholstery material first. Car must have been painted first. Time: 7 days. Cost: $2,400. u. Put chrome parts back on. Car must have been painted and chrome parts rechromed first. Time: 1 day. Cost: $100. v. Pull car to the Detroit Auto Show. Must have completed reupholstery of Interior and have put the chrome parts back on Time: 2 days. Cost: $1,000