Modeled $2M HVAC contractor, one year
Revenue falls 66% from July to October while payroll stays flat
  Monthly revenue   Monthly payroll
Tap or hover a month to see that month’s revenue and the gap.
July to October is a $165,000 drop, about three months of payroll.
Source: modeled $2M HVAC year, Steph’s Books. The July and October figures are published. The other months are illustrative and sum to the same $2M.