An investor is considering putting together an investment portfolio that consists of Techsolve Ltd and Dataline $($Pty$)$ Utd shares, referred to as Portfolio A$.$ The investor has a conservative approach to making investments. The expected returns and standard deviations for each share are as follows:

$\backslash$table$[[,$Techsolve Ltd$,$Dataline $($Pty$)$ Ltd$],[$Expected return,$8\%,12\%$