Sheridan Inc, is a retailer operating in Calgary, Alberta. Sheridan uses the perpetual inventory system. Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Sheridan for the month of January $2025.$

$\backslash$table$[[$Date$,$Description,Quantity,Unit Cost or Selling Price$],[$Dec$.31,$Ending inventory,$175,$$$20$