Historical returns for stocks A and B over the past 4 years are listed below. Imagine 59% you have invested in A and the rest in B stock. Calculate average return for your portfolio. Year A Return B Return 2016 10 12 2017 8 8 [ 15 2018 8 2019 19 12. Do not round your answer. Write the answer without "%" sign. For example, if average return for your portfolio is 10.3%, write 10.3