问题标题:
关于effectiveannualrate的美国数学题Stevenpurchased1000sharesofacertainstockfor$30,000(includingcommissions).Hesoldtheshares2yrlaterandreceived$34,400afterdeductingcommissions.Findtheeffectiveannualrateofreturno
问题描述:

关于effectiveannualrate的美国数学题

Stevenpurchased1000sharesofacertainstockfor$30,000(includingcommissions).Hesoldtheshares2yrlaterandreceived$34,400afterdeductingcommissions.Findtheeffectiveannualrateofreturnonhisinvestmentoverthe2-yrperiod.(Roundyouranswertotwodecimalplaces.)

董保良回答:
  presumeeffectiveannualrate=x   30(1+x)²=34.4,   x=0.07(twodecimalplaces.)
查看更多
数学推荐
热门数学推荐