Rao Technologies, a Quebec$-$based high$-$tech manufacturer, is considering outsourcing some of its electronics production. Four firms have responded to its reques

for bids, and CEO Mohan Rao has started to perform an analysis on the scores his OM team has entered in the table below.

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When $w=30,$ the highest score is achieved by Rao Technologies, a Quebec$-$based high$-$tech manufacturer, is considering outsourcing some of its electronics production. Four firms have responded to its request

for bids, and CEO Mohan Rao has started to perform an analysis on the scores his OM team has entered in the table below.

$($i$)$ Click the icon to view the table.

Weights are on a scale from $1$ through $30,$ and the outsourcing provider scores are on a scale of $1$ through $5.$ The weight for the labour factor is shown as a $w$

because Rao's OM team cannot agree on a value for this weight.

In the following table, the weighted score is computed for each candidate.

When $w=0,$ the highest score is achieved by

When $w=10,$ the highest score is achieved by

When $w=20,$ the highest score is achieved by

When $w=30,$ the highest score is achieved by