Expected return and standard deviation. Use the following information to answer the questions: $$

a$.$ What is the expected return of each asset?

b$.$ What is the variance and the standard deviation of each asset?

c$.$ What is the expected return of a portfolio with $10\%$ in asset $J,48\%$ in asset $K,$ and $42\%$ in asset $L?$

d$.$ What is the portfolio's variance and standard deviation using the same asset weights from part $($c$)?$

Data table

$($Click on the following icon in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[\backslash$table$[[$State of$],[$Economy$]],\backslash$table$[[$Retum on$],[$Probability$],[$of State$]],\backslash$table$[[$Retum on$],[$Asset J in$],[$State$]],\backslash$table$[[$Retum on$],[$Asset K in$],[$State$]],\backslash$table$[[$State in$]]],[$Boom$,0\mathrm{.}28,0\mathrm{.}055,0\mathrm{.}210,0\mathrm{.}260],[$Growth$,0\mathrm{.}38,0\mathrm{.}055,0\mathrm{.}120,0\mathrm{.}190],[$Stagnant$,0\mathrm{.}25,0\mathrm{.}055,0\mathrm{.}020,0\mathrm{.}090],[$Recession$,0\mathrm{.}09,0\mathrm{.}055,-0\mathrm{.}060,-0\mathrm{.}190]]$