Puan Melor, the financial manager of The Bunga Berhad is considering investing in ONE of three projects with the following distribution of possible returns:

$\backslash$table$[[$Project Bunga Raya$],[$Probability$,$Return $($in RM$)],[50\%$ chance,$220],[50\%$ chance,$250]]$

$\backslash$table$[[$Project Bunga Mawar$],[$Probability$,$Return $($in RM$)],[30\%$ chance,$220],[40\%$ chance,$250],[30\%$ chance,$300]]$

$\backslash$table$[[$Project Bunga Jasmin$],[$Probability$,$Return $($in RM$)],[20\%$ chance,$300],[40\%$ chance,$250],[40\%$ chance,$220]]$

From the information given, you are required to answer the following questions.

a$.$ Calculate the expected return in RM for each project.

$(3$ marks$)$

b$.$ Calculate the standard deviation in RM for each project.

$(3$ marks$)$

c$.$ Based on your calculation in part $($a$)$ and $($b$),$ which project that you recommend Puan Melor to invest in$?$ Explain your answer.

$(4$ marks$)$