Monthly budget to cost per booked job

$1,200 Monthly media budget
$60 Planning cost per lead
20 Raw leads
5 Booked jobs at a 25% close rate
$240 Media cost per booked job
leads = budget / CPL booked jobs = leads x close rate cost per booked job = CPL / close rate
$800 gross profit per job x 25% close rate x 30% acquisition allowance = $60 maximum affordable cost per lead

Arithmetic illustration, not a market benchmark.