Respect Sir/Mam

This is not a teacher's question, this question is from my accounting book and I am having a lot of trouble in solving the first part. Any help would be greatly appreciated.

Thanks in Advance

I also need to fill this handout:

Chapter 10 - E10-8 1) Straight-Line Amortization Amortization Rate = 1 / Estimated Useful Life in years OR use formula from class to calculate the yearly Amortization expense that way (same answer). Murray Demolition Straight-Line Amortization Schedule Amortization for the Year DATE ASSET COST AMORTIZATION RATE AMORTIZABLE COST AMORTIZATION ACCUMULATED ASSET BOOK EXPENSE AMORTIZATION VALUE 2) Units of Production Murray Demolition Units of Production Amortization Schedule Amortization for the Year ASSET AMORTIZATION NUMBER AMORTIZATION JMULATED ASSET BOOK DATE COST PER KM OF KMS E EXPENSE AMORTIZATION VALUE3) Double Declining Balance Murray Demolition Double Declining Balance Amortization Schedule Amortization for the Year DATE ASSET COST DDB RATE CURRENT BOOK VALUE = AMORTIZATION ACCUMULATED ASSET BOOK EXPENSE AMORTIZATION VALUE Compare Amortization Expense for the 3 methods Year Straight Line U of P DDB 2020 2021 2022 2023 Total