2024 Iowa Code 72.5 – Life cycle cost

2023 Iowa Code 72.5 – Life cycle cost

2022 Iowa Code 72.5 – Life cycle cost

2020 Iowa Code 72.5 – Life cycle cost

2018 Iowa Code 72.5 – Life cycle cost

2016 Iowa Code 72.5 – Life cycle cost

2014 Iowa Code 72.5 – Life cycle cost.

2009 Iowa Code 72.5 – Life cycle cost