Where should AI start in my business?

I want to know where AI should start in my [TYPE OF BUSINESS] with [NUMBER] people.
Interview me one question at a time. Wait for each answer.

Ask me to name up to 10 tasks, and for each one:
- times per week, minutes each time, and how many people do it
- whether it is the same each time (same / mostly / different)
- where it starts (software, spreadsheet, email, PDF, or paper/phone)
- whether someone retypes the result into another system
- what a mistake costs (low / medium / high)

When I am done, compute hours at stake for each task:
times per week × minutes each ÷ 60 × people × 48 working weeks.
Talk about hours at stake, never a promise of time given back. Hours at stake are a ceiling, not a promise.

Then rank the tasks. Weight hours at stake, sameness, how digital the start is (software beats paper), whether work is retyped, and mistake cost.
Leave a task alone for now if the steps vary every time, it starts on paper, hours at stake are low, or a mistake is expensive.

Give me:
1. A shortlist of where to start, with hours at stake
2. What to leave alone, with the reason
3. The first task I should time for two weeks
Don't recommend a vendor.