step 1
Find the total cost of equipment /hour
Total cost/hour=cost of shovel/hour+cost of 6 trucks /hour
Substitute $130 for cost of shovel / hour & $70 for cost of one truck / hour
Total cost / hour = $130+ (6 * $70)
= $550
Total cost = $550 / hour
step 2
calculate the unit cost of loading and hauling
Unit cost of loading and hauling = total cost / production
Substitute $550/hour for the total cost and 180 BCM(300BCY) for production
Unit cost loading and hauling = ($550/h)/(300 BCY/h)
= 1.83 BCY
Therefore , the unit cost of loading and hauling is $ 1.83 BCY
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