解析:假设基期单价为P,基期销售量为χ,基期销售额=Pχ ({*.!ty
1.hOE>A%
预计明年单价为P+P*10%=P*(1+10%) gg lNpzj
P Xyyyir{
预计明年的销售量为:χ+χ×5%=χ*(1+5%) ,m #@%fa
XS}Zq4H
预计明年的销售额为:【P*(1+10%)】*【χ*(1+5%)】=Pχ×(1+10%)×(1+5%) ,\|n=T,
pKOT Qf
销售额的增长率=【Pχ×(1+10%)×(1+5%)-Pχ】÷Pχ
C! aX45eg
<wIp$F.
=(1+10%)×(1+5%)-1 e1f^:C
RM?_15m
=15.5% U92B+up-
d+gk q\
有关资料见【3-2】 8.Pcr<