Your client has asked you to turn on warnings for duplicate check and bill numbers in their quickbooks online company. take a look at the steps below. 1. 2. under your company, select account and settings 3. select the advanced tab 4. in the other preferences section, select the option to warn if duplicate check number is used and warn if duplicate bill number is used 5.

( 1 ) Select the gear icon

( 5) Select save

Explanation:

we have given that client ask turn on warning in Quick Books Online company so

we do 1st step that is

the first is step we we select the gear icon

after that select Account and Settings

and we go for advance tab

after that we perform the action that is Other preferences section

and  select the option there to warn when we use duplicate check number

then we select the save button for save over above performance

so here fill up are first ( 1 ) Select the gear icon and last ( 5) Select save

answer; i believe the answer you're looking for is (nanotechnology);

so much for the extra points :