Mort? vaar Back Mark for follow up O Current inventory. O Petty cash slips. Mark for follow up Terminati mie mimi mi l, O Copies of canceled checks. O Receipt books. Tremilom Question 42 of 100. Kadri is a sole proprietor who makes toys that he sells at local fairs and bazaars. Which would be the best source of documentation for him to determine his gross income? Save / Return Later mil mil..... miermitt ng Summary Next >>