$($c$)$ Arif has a portfolio consist of the following security:

$\backslash$table$[[$Security$,\backslash$table$[[$Amount$],[$Invested$]],\backslash$table$[[$Expected$],[$Return$]],$Beta$],[$A$,$RM$1,000,8\%,0\mathrm{.}80],[$B$,$RM$2,000,12\%,0\mathrm{.}95]]$

$\backslash$table$[[$C$,$RM$3,000,15\%,1\mathrm{.}10],[$D$,$RM$4,000,18\%,1\mathrm{.}40]]$

Calculate the expected return portfolio for Arif.

$(5$ marks$)$