AICPA Exam CPA-Financial Topic 1 Question 24 Discussion

Tack, Inc. reported a retained earnings balance of $150,000 at December 31,1990. In June 1991, Tack discovered that merchandise costing $40,000 had not been included in inventory in its 1990 financial statements. Tack has a 30% tax rate. What amount should Tack report as adjusted beginning retained earnings in its statement of retained earnings at December 31, 1991?