please answer question b thanks

Question 3 (20 Marks) a) You are managing a project with the following cost management plan; Month Cost Cumulative Physical Progress 10% Completed 40% Completed 80% Completed 100% Completed Total MYR10000 MYR 40000 MYR60000 MYR10000 MYR120000 You are currently halfway through the third month. Your team has only managed to complete 20% of that month's work. To date, you have spent MYR80000. You had successfully delivered your previous milestones and you would like to continue to do so. Determine the project's Cost Variance, Schedule Variance, Cost Performance Index and Schedule Performance Index. (12 Marks) b) Based on the information provided above and the performance measurements you have determined, what is the estimate total cost of the project at completion according to the current performance rate? (8 Marks) Question 3 (20 Marks) a) You are managing a project with the following cost management plan; Month Cost Cumulative Physical Progress 10% Completed 40% Completed 80% Completed 100% Completed Total MYR10000 MYR 40000 MYR60000 MYR10000 MYR120000 You are currently halfway through the third month. Your team has only managed to complete 20% of that month's work. To date, you have spent MYR80000. You had successfully delivered your previous milestones and you would like to continue to do so. Determine the project's Cost Variance, Schedule Variance, Cost Performance Index and Schedule Performance Index. (12 Marks) b) Based on the information provided above and the performance measurements you have determined, what is the estimate total cost of the project at completion according to the current performance rate? (8 Marks)