$3\mathrm{.}1$ Summercar Sdn$.$ Bhd$.$ is a car company producing steering wheels. She wishes to reduce or eliminate quality problems received from the customers. Table $3\mathrm{.}1$ summarizes these customer quality concerns, their frequency of occurrence and the estimated cost each time it happens.

Table $3.$I: List of quality concerns

$\backslash$table$[[,$Quality Con,,$],[1,,\backslash$table$[[$Occurring$],[$Frequency$]],],[2,$Uneven or or off$-$center steering wheel,$90,\backslash$table$[[($Niv$)0$ occurre$],[50]]],[3,$Cracked or damaged steerinoe texture,$120,\frac{30}{30}$