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

$\backslash$table$[[$Date$,$Activities,Units Acquired at Cost,Units Sold at Retail$],[$January $1,$Beginning inventory,$490$ units @ $$18=$$$8,820,],[$January $8,$Purchase,$470$ units @ $$20=$$$9,400,],[$January $12,$Sale,$530$ units @ $$22=$$$11,660,860$ units @ $$70$

The answer choices are $$8,030$ $$19,590$ $$18,070$ $$23,460$ $$24,450$