The following table presents forecasted returns for three companies under various potential states of the economy:

State	Probability	Stock X	Stock Y	Stock Z
Above Average	10%	37.2%	26.5%	44.2%
Average	45%	18.9%	7.9%	13.7%
Below Average	30%	-2.8%	-4.0%	-7.0%
Recession	15%	-11.7%	-6.0%	-15.5%
Weight		55%	30%	15%

What is the expected return on a portfolio of these three companies constructed according to the weights given in the table? (Report answer in percentage terms and round to 2 decimal places. Do not round intermediate calculations).