A company uses a periodic inventory system and reports purchases and sales data for its only product.

$\backslash$table$[[\backslash$table$[[$Date$],[$April $1],[$April $3],[$April $18],[$April $22],[$April $30]],\backslash$table$[[$Activities$],[$Beginning inventory$],[$Sales$]],$Units Acquired at cost$,$Units sold at Retail$],[235,$units,@$$16\mathrm{.}00,=$$$,3,760],[\backslash$table$[[$Purchase$],[$Sales$]],180,$units,@ $ $15\mathrm{.}00,=,2,700,185$ units,@ $ $25\mathrm{.}00],[$Purchase$,385,$units,@ $ $13\mathrm{.}00,=,5,005,200$ units,@ $$25\mathrm{.}00$