A company's inventory records indicate the following data for the month of April:

$\backslash$table$[[$Date$,$Activities,Units Acquired at Cost,Units Sold at Retail$],[$April $1,$Beginning inventory,$880$ units @ $$36=$$$31,680,],[$April $7,$Purchase,$760$ units @ $$40=$$$30,400,],[$April $11,$Sale,,$],[$April $16,$Purchase,$680$ units @ $$44=$$$29,920,1,360$ units @ $$110$