I got a 60 on this last time and trying to see where i went wrong

For Step 1 we are asked to use the Apportion Method to determine the budget for a relocation project

Total Budget = $85,000

• Initial Design Work = 10%
• Ventilation System = 35% (Parts = 20%; Labor = 15%)
• New Racks = 20% (Parts = 15%; Labor = 5%)
• Power Supplies and Cables = 25% (Parts = 15%; Labor = 10%)
• Switchover Ops Checks = 10%

Then in Step 2: we are given the budget and schedule details below and asked to use the Time Phased Budget method to determine the budget. Assuming the "cost of parts" is paid in the first unit of time, and the labor is equally spread out over the units of time.

Total Budget = $85,000

• Initial design Work = 10%
• Ventilation System = 35% (Parts = 20%; labor = 15%)
• New Racks = 20% (Parts = 15%; labor = 5%)
• Power Supplies and Cables = 25% (Parts = 15%; labor = 10%)
• Switchover Ops Checks = 10%

AT Project Activity Estimates Critical Path = 2, 9, 15, 10, 16, 17, 18, and 19 Activity Most Likely Duration| Immediate (Bolded is the deliverable) (unit = days) Predecessor 1 Data Migration Center Project 1.1 Team Meeting 1 3 1.2 Hire Contractors 7 2 4 1.3 Network Design 14 2 5 1.4 Ventilation System 1.4.1 Order Ventilation System 21 2 1.4.2 Install Ventilation System 7 6 8 1.5 New Racks 1.5.1 Order Racks 14 2 10 1.5.2 Install Racks 21 9, 15 11 1.6 Power Supplies and Cables 12 1.6.1 Order Power Supplies and Cables 7 2 13 1.6.2 Install Power Supplies 5 12, 15 14 1.6.3 Install Cables 8 12, 15 15 1.7 Renovation of Data Center 20 3, 4 16 1.8 City Inspection 2 7, 10, 13, 14 17 1.9 Switchover Ops Checks 7 16 18 1.10 Validation Tests with Clients 14 17 19 1.11 Project Closure Meeting 2 18