During FY 2018, Adelphi Company reported sales of $400,000,
During FY 2018, Adelphi Company reported sales of $400,000, a contribution
margin of $9.00 per unit, fixed costs of $50,000, and net income of $40,000. Use this information to determine the number of units Adelphi sold during FY 2018. (Round answer to nearest whole number)