Calculates the ratio of total labor cost to total billed revenue across the business, month by month. Not available in any single Knowify native report.
Using my Knowify data, query all TimeEntries from [date range] and sum the Cost field for total labor cost. Also pull InvoicesSummaryReport for the same period and sum TotalAmount for total revenue. Calculate labor cost as a percentage of revenue and show the trend month by month.