please show all work and all accounts

Concord Company sells one product. Presented below is information for January for Concord Company. Concord uses the FIFO cost flow assumption. All purchases and sales are on account. (a) Assume Concord 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 115 units. (If no entry is required, select "No entry" for the account titles and enter Ofor the amounts. Credit account titles are automatically indented when amount is entered. Do not indent manually. List all debit entries before cit dit entries.)