Debra Corp. sells one product and uses a perpetual inventory system. The beginning inventory consisted of $85$ units that cost $$19$ per unit. During the current month, the company purchased $481$ units at $$19$ each. Sales during the month totaled $363$ units for $$45$ each. What is the number of units in the ending inventory?

$85$ units.

$203$ units.

$566$ units.

$118$ units.