Martinez Custom Electronics $($RCE$)$ sells and installs complete security, computer, audio, and video systems for homes. On newly

constructed homes it provides bids using time$-$and$-$material pricing. The following budgeted cost data are available.

The company has budgeted for $6,000$ hours of technician time during the coming year. It desires a $$38$ profit margin per hour of labor

and an $80\%$ profit on parts. It estimates the total invoice cost of parts and materials in $2027$ will be $$672,000.$

$($a$).$

$($b$)$

Compute the material loading percentage.

Material loading percentage

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