help with hw questions.

Given the following data on inputs and outputs at a work center, determine the cumulative deviation and the backlog for each time period. The beginning backlog is 7. (Negative amounts should be indicated by a minus sign.) Input Period 1 2 3 4 5 6 Planned 200 200 180 190 190 200 Actual 210 200 179 195 193 194 Output Period 1 2 3 4 5 6 Planned 200 200 180 190 190 200 Actual 205 194 177 195 193 200 Click here for the Excel Data File 1 2 3 4 6 Input Cumulative Deviation Output Cumulative Deviation Backlog 7For each of the following network diagrams, determine both the critical path and the expected project duration. The numbers on the arrows represent expected activity times. a. Activity-on-arrow diagram 111a critical path is I l. 111e expected project duration is For each of the problems listed, determine the following quantities for each activity: the earliest start time, latest start time, earliest finish time, latest finish time, and slack time. List the critical activities, and determine the expected duration of the project. a. Activity-on-arrow diagram 2 10 2 7 5 8 12 10 3 17 6 4 6 9 Summary: Activity ES 1-2 1-3 2-4 2-5 3-6 4-7 5-8 6-9 7-10 8-10 9-11 10-12 11-12\f