A market$-$capitalization$-$weighted index consists of securities ABC, DEF and GHI:

Security

Beginning of Period Price

End of Period Price

Share Outstanding

ABC

$1,500$

$1,700$

$6,000$

DEF

$2,500$

$1,500$

$8,500$

GHI

$500$

$600$

$10,000$

The price return of the index is closest to:

$-10\mathrm{.}33\%$

$-13\mathrm{.}90\%$

$-17\mathrm{.}87\%$