the amount of the money for the service than before.用is more are more si larger are larger 哪一个the amount of the money for the service than before.用is more are more si larger are larger 哪一个

is more :

The number of students is 100, 不是 " the amount of students is 100"
" A large amount of students are playing games together " , 应是 " A large number of students are playing games together "
A large amount of water : 大量的水因为水不能一个一个算

is more

答案为：is larger
the amount of 是指数量 ,比如The amount of the students is 100.
a large amount of指很多 （很大数量）
A large amount of students are playing games together.
本句主语为the amount,意为钱的数额大,故应用is larger