Drs$.$ Glenn Feltham and David Ambrose began operations of their physical therapy clinic, called Northland Physical Therapy, on January $1,2020.$ The annual reporting period ends December $31.$ The trial balance on January $1,2021,$ was as follows $($the amounts are rounded to thousands of dollars to simplify$)$:

$\backslash$table$[[$Account Titles,Debit,Credit$],[$Cash$,$$$8,],[$Accounts Receivable,$4,],[$Supplies$,4,],[$Equipment$,8,],[$Accumulated Depreciation,$-,$$$1$