???????幥???29234????26??????????????????1620????????????107????????????????

?????????????(29234+1620)*1.07*50%=16506.89

????????????(29234+1620)*1.07*50%+1980=18486.899(??21??????)

????????????(29234+1620)*1.07*50%*1.05+2070=19402.2345(???????????)

??????????????????

???????????

??????幥???15201????25??????????????????1560?????????????92??

????????????(15201+1560)*0.92*50%+1890=9600.06

??????????????????

??????????????????;

?????幥????14157????20??????????????????1260???????95??

??????????????????:(14157+1260)×0.95×160%+1890=25323.841,???????????Ч??????????