A crawler hoe having a $3-$cy bucket and whose cost per hour, including the wages to an operator, is $$86,$ will excavate and load haul units under each of the stated conditions. The maximum digging depth of the machine is $25ft.$ Determine the cost per bank cubic yard for each condition.

$\backslash$table$[[$Condition$,(1),(2),(3),(4)],[$Material$,$Sandy clay,Hard clay,$\backslash$table$[[$Rock$,$ well$],[$blasted$]],$Sand and gravel$],[$Depth of excavation $($ft$),10,18,15,20],[$Angle of swing $($degrees$),60,90,90,150],[$Percent swell,$20,,,13],[$Efficiency factor $($min$-$hr$),45,50,50,55]]$