Residential elevator advertising revenue increased 10% coffee property. 30%. Is this reasonable and legal?

Reasonable and legal. According to the website of China Economic Net, elevator advertising accounts for 60% to 40% of the income of the community, which is mainly used to supplement the maintenance fund of the community, including the construction and maintenance of fitness equipment and chairs in the community. The distribution order of community public benefits is: first, supplement special maintenance funds, then use them for community public facilities expenditure, and finally, the owners will decide their use at the owners' meeting.