请教gwd29-17 题目理解有困难

irinamm

C

the overall figure on which the city’s property tax is based:--the assessed value of that real estate—是基数，减少了

The percentage of assessed value that was paid as property taxes to the city-----系数，就是要付的税的比例没变

所以俩个的乘积就是税，减少了