*Question Completion Status: If I do replace one or both toilets they will last for years and years ... I hope. 3. Create tables that show how much I will spend over the long run with each type of toilet. Consider the upfront purchase, installation and monthly water costs for each toilet type. Old Toilet - 5 GPF Years Cost 1.28 GPF 1.0 GPF Years Cost Years Cost $ $ $ 1 1 1 S 2 2 2 $ 3 3 S 3 S 4 4 S 4 Click Save and Submit to sue and submit. Click Save all to an all answers Save All Answers Save and o *Question Completion Status: If I do replace one or both toilets they will last for years and years ... I hope. 3. Create tables that show how much I will spend over the long run with each type of toilet. Consider the upfront purchase, installation and monthly water costs for each toilet type. Old Toilet - 5 GPF Years Cost 1.28 GPF 1.0 GPF Years Cost Years Cost $ $ $ 1 1 1 S 2 2 2 $ 3 3 S 3 S 4 4 S 4 Click Save and Submit to sue and submit. Click Save all to an all answers Save All Answers Save and o