Please help me:

A) Compute the cost of inventory on hand at December 31, 2019, based on the conventional retail method.

The answers $55300 and $32074 are incorrect

Lincoln Company converted from the conventional retail method to the LIFO retail method on January 1, 2020, and is now considering converting to the dollar-value LIFO inventory method. During your examination of the financial statements for the year ended December 31, 2021, management requested that you furnish a summary showing certain computations of inventory cost for the past 3 years.

Available information.

The inventory at January 1, 2019, had a retail value of $55,500and cost of $29,500based on the conventional retail method.

Transactions 2019