please show how to work in excel spreadsheet. This must be completed with excel so i can learn how to input things into excel for class and test purposes moving forward.

85.2 A city government is considering increasing the capacity of the current wastewater treatment plant. The estimated financial data for the project are as follows: 25 years Description Data Capital investment $1,200,000 Project life Incremental annual benefits $250,000 Incremental annual costs $100,000 Salvage value $50,000 Discount rate 6% What would be the benefit-cost ratio for this expansion project? (a) 3.26 (b) 3.12 (c) 1.30 (d) 2.23