Can you help me create the cost baseline for plastic waste to brick manufacturing to house construction?

Note: Please see the attached example. I need details explained with an example.

A B C D E F G H K L M N Cost Estimate Project Name: Date: Note: WBS and check all formulas (bolded below) Week 1 2 3 4 5 6 7 8 9 10 11 WBS Categories 12 Total Cost 1. Initiating 13,000 2. Planning $ 13,000 6,000 16,000 8,000 1,000 1,000 1,000 1,000 1,000 1,000 $ 36,000 3. Executing $ 3.1 Course design and development $ 3.1.1 Supplier management training 5,000 73,667 73,667 73,667 3.1.2 Negotiating skills training $ 226,000 5,000 35,500 35,500 35,500 $ 111,500 3.1.3 Project management training 5,000 43,000 43,000 43,000 $ 134,000 3.1.4 Software applications training 5.000 43,000 43,000 43,000 $ 134,000 3.2 Course administration 17,000 53,333 53,333 53,333 3.3.Course evaluation $ 177,000 3,000 3,000 3,000 7,500 $ 16,500 3.4 Stakeholder communications 1,500 1,500 1,500 1,500 1,500 1,500 1,500 1,500 1,500 1,500 1,500 4. Monitoring and Controlling $ 16,500 1,000 2,000 2,000 2,000 3,000 3,500 3,000 3,000 2,000 3,000 2,000 9 5. Closing 1,000 $ 27,500 8,000 0 Subtotal 3,000 $ 11,000 Reserves* $ 903,000 2 Total 90,300 $ 90,300 20,000 19,500 31,500 199,667 200,667 218,167 61,833 61,833 60,833 12,000 11,500 95,800 3 993,300 4 Assumptions 6 *Reserves are all entered in month 12 Sheet1 Sheet2 Sheet3 +