Im preparing for my finals kinldy show me each steps from(a -e ). Thank You. The following questions refer to tables below (all values are in thousands) Budgeted Costs Actual Costs ('000 RM) Cumulative Percentage of Work Complete (%) a. What is the cumulative budgeted cost at the end of week 4 ? b. What is the cumulative actual cost at the end of week 4 ? c. What is the cumulative earned value at the end of week 4 ? d. What is the Cost Performance Index at the end of week 4? e. What is the Cost Variance at the end of week 4?