An industrial pipeline welder is comparing pension plans for two different job offers.

First offer: $66,421 average annual wage, 1.9% per year of service, with a monthly pension payment of $3,155 after 30 years of service
Second offer: $87,000 average annual wage, 1.5% per year of service

The welder plans to work for the same amount of time at each company. What is the difference in monthly pension payments?

The second offer pays $170.50 more per month.
The first offer pays $170.50 more per month.
The second offer pays $107.50 more per month.
The first offer pays $107.50 more per month.