Need some help :-)

1 - in last AGM, JMB increase maintenance fees by 18%. They prepare some budget on the screen to show that money is not enough, so that is a need to increase maintenance fees. But i found that some number show in their budget is not correct, they purposely put big amount. But they not allow me to ask, reject to share these budget even after AGM. I guess they will repeat this again in next AGM, what can I do?

2 - JMB/management would like to install something, and ask for extra 1k from every unit. We must pay for it, or we can refuse? Because I read somewhere said except maintenance fees and sinking fund, we can refuse to pay for anything else.

Thanks

Actually I joined JMB for few years. The admin staff make the account become very confuse, e.g. she pay monthly bill in random sequence Apr -> Jun -> Jul -> Feb -> Jan. And lum sum many items into one category. When I ask for more detail in JMB meeting, they just ignore.

Sinking fund is enough for this project, but they said sinking fund reserve for future, and ask for extra payment. As usual, not many people attend AGM, so their proposal might get enough vote to approve. So I want to know, we must pay or not.