XYZ$.$ Inc is interested in calculating its customer lifetime Month Total revenue Cost of sales

July $2020$ $$15000$ $$11200$

August $2020$ $$23000$ $$16000$

Sept $2020$ $$29000$ $$19500$

Oct $2020$ $$32500$ $$26500$

Nov $2020$ $$22000$ $$17100$

Dec $2020$ $$13500$ $$8000$

$1.$  What is the average number of transactions per month? $($use two decimals$)$

$2.$  What is the average order value? $($use two decimals$)$

$3.$  What is the average gross Margin? $($use two decimals$)$

$4.$  What the average customer lifespan in months? $($use two decimals$)$

$5.$  Calculate the predictive CLV$?($use two decimal$)$