Problem $13-9$ Returns and Varlances $[$LO$1]$

Consider the following information:

a$.$ What is the expected return on an equally weighted portfolio of these three stocks?

$($Do not round intermedlate calculations and enter your answer as a percent

rounded to $2$ decimal places, e$.$g$..3216.)$

b$.$ What is the varlance of a portfolio invested $22$ percent each in A and B and $56$

percent in C $?($Do not round intermedlate calculations and round your answer to $6$

decimal places, e$.$g$.,161616.)$