Martin Clothing Company is a retail company that sells hiking and other outdoor gear specially made for the desert heat. It sells to individuals as well as local companies that coordinate adventure getaways in the desert for tourists. The following information is available for several months of the current year:

$\backslash$table$[[$Month$,$Sales,Purchases,Cash Expenses$],[$Paid$,,,],[$May$,$$$91,000,$$$61,000,$$$19,00$