练习权责发生制确认收入、费用和利润业务号权责发生制收付实现制180080021,700500301,600402,00053001,2006-1,300-5507-300080-5009-400-15010-150-6009月份收入2,8006,1009月份费用-2,1501,8009月份利润6504,300