1. The following table shows the information on a marketing project. It is currently at the end of day 48. Assume that planned progress and expenditure are uniform for each activity - for example, if an activity takes 8 days but has been in progress for only three days, then you can assume that 3/8 of the activity is planned to be completed and 3/8 of its budget is planned to be spent during those three days. Obviously, if the percentage complete is zero, then the activity has not started, hence not incurred any cost (so, its actual cost is zero). (i) (40 points) Determine the project's SPI, and CPI at this point (end of day 48). (ii) (25 points) Interpret the SPI and CPI by stating and explaining whether the project is doing better/worse than plan on schedule and cost. Also, forecast the actual cost (at completion) of Activity 4, assuming that its future expenditure (past day 48) is reflective of the past expenditure pattern Activity # Duration (days) Predecessors Budget Actual Cost % Complete 1 10 NA $300 250 100 2 8 1 $400 450 100 3 6 2 $350 380 100 4 12 2 $400 400 70