ASSET ALLOCATION Ashley has earmarked at most
$
250
,
000
for investment in three mutual funds: a money market fund, an international equity fund, and a growth-and-income fund. The money market fund has a rate of return of
6
%
/
year
, the international equity fund has a rate of return of
10
%
/
year
and the growth-and-income fund has a rate of return of
15
%
/
year
. Ashley has stipulated that no more than
25
%
of her total portfolio should be in the growth-and-income fund and that no more than
50
%
of her total portfolio should be in the international equity fund. To maximize the return on her investment, how much should Ashley invest in each type of fund?