A concrete crew can install a $6$ slab$-$on$-$grade $($SOG$)$ in $4$ days. What is the total equipment cost for this activity if the crew used the following equipment:One small concrete pump at a daily rent of $$715$One crane operator at a rate of $$60/$hrOne equipment oiler labor at a rate of $$25/$hr $($used for $3$ hrs$/$day$)$Oil and fuel costs are estimated at $$20/$hrRenters$\text{'}$ insurance is estimated at $$80/$day