19. We noted our beginning inventory valued at cost of $10,000 with a retail value of $50,000. We added to that purchases at a cost of $30,000 with an associated retail value of $50,000. Sales for the period at retail were $80,000. What is the estimated value of our ending inventory using the Retail Method? a. $20,000 b. $10,000 c. $8,000 d. $4,000