English Business Letter Requesting for a Coffee-machine in the Office

Here are a few questions based on a Business Letter Requesting for a Coffee-machine in the Office

QUESTION
We request you to kindly consider the ________ to get a coffee machine put up in our branch.
1 Option
2 Proposal
3 Work
4 Chance
5 Installation


QUESTION
The employees working during the night shift often complain about the ________ of beverages.
1 Lack
2 Missing
3 Unavailability
4 Shortage


QUESTION
Moreover, the quantity of coffee served by the vendor during the day is not ________ for everyone.
1 Insufficient
2 Sufficient
3 Complete
4 Incomplete


QUESTION
The installation of the machine would further __________ the monthly expense incurred towards the vendor.
1 Simplify
2 Obligate
3 Nullify
4 Obviate