Fong Sai-Yuk Company sells one product. Presented below is information for January for Fong Sai-Yuk Company. Fong Sai-Yuk uses the FIFO cost flow assumption. All purchases and sales are on account. Assume Fong Sai-Yuk uses a periodic system. Prepare all necessary journal entries, including the end-of-month closing entry to record cost of goods sold. A physical count indicates that the ending inventory for January is 110 units. (If no entry is requlred, select "No entry" for the occount titles and enter 0 for the amounts. Credit occount titles are automatically indented when amount is entered. Do not indent manually, List all debit entries before credit entries.)