某学校对教职工每月工资的计算规定如下：专职教师固定工资2000，再加上课时补贴20元/课时；行政人员只有固定工资3000元/每月；兼职教师只有课时补贴50元/课时。-A school staff monthly wage calculation rules are as follows: fixed salary of full-time teachers, plus a subsidy of 20 yuan/class class administrative staff a fixed s