Good afternoon, I am trying to calculate some savings for various fixtures and I am having trouble coming up with the minutes usage for my calculations. Here is what I have so far. Any help would be appreciated.

Toilets:10

Current Flush Rate:1.6 GPF

New Flush Rate:0.6 GPF

Flushes per day: NEEDED

Bathroom Faucets/Aerators: 12

Current Flow rate:1.5

New flow rate: 1.2 GPM

Min/day: NEEDED

Flush Valves: 3

Current Flush Rate: 3.5 GPF

New Flush Rate:1 GPF

Flushes/day: NEEDED

Shower heads: 10

Current Flow Rate: 2.5 GPM

New Flow Rate:1.5 GPM

Min/day: 15 min?