19. The project described below is now at the end of its sixth day. The activities and their planned budgets and durations are given on the left side of the table, and the right side of the table gives their actual costs and estimates of the percent of the work completed at the end of day 6. You can assume that each activity was planned to finish at its earliest finish time. (a) What is the cost variance? (b) What is the schedule variance? (c) Based on these estimates, is the project over- or under-budget? (d) Is it ahead-or behind-schedule? (e) Based on your knowledge at the end of day 6, what is your spending rate, i.e., how many dollars' work are you getting from every planned dollar? (f) Based on your knowledge at the end of day 6, how much additional money will you have to ask for in order to finish the project, or how much will you have left over? (14 points) B Start End Activity Planned Duration Planned Budget Actual Cost at end of day 6 mm + % Complete at end of day 6 100 100 50 100 400 300 200 150 500 200 0 O