好吧我做个好事帮他骂你一顿算了:Exactly which part of this sentence did you NOT understand?
The amount someone pays you to use your property, after you subtract the expenses you have for the property.
24000 - 4000 -3000 - 1200 - 10000 - 200 - 600 = 5000
另外,贷款利息为什么这么少?只有600?