Ivanhoe Spoon Service repairs commercial food preparation equipment. The following budgeted cost data is available for $2022$ :

Ivanhoe Spoon has budgeted for $10,800$ hours of technician time during the coming year. It desires a $$57\mathrm{.}00$ profit margin per hour of

labor and a $40\%$ profit margin on parts. Ivanhoe Spoon estimates the total invoice cost of parts and materials in $2022$ will be $$540,000.$

$(a1)$

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Compute the rate charged per hour of labor. $($Round your intermediate calculations to $2$ decimal places, e$.$g$.52\mathrm{.}75.$ Round final answer

to $2$ decimal places, e$.$g$.1,525.)$

Rate charged per hour of labor $

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$(a2)$

Compute the material loading charge.

Material loading charge

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$($a$3)$