Can you please explain step-by-step throughout the process? Thank you

At the beginning of the year, a firm's total assets at are 300,000 and its liabilities are 125,000. During the year total assets increase 12,000 and total liabilities decrease 3,000. What is equity at the end of the year? The following information is available through June 2020 for Kimchee Company: Beginning inventory Purchases Sales Markup on sales W 90,000,000 270,000,000 540,000,000 40% On June 29, a fire completely destroyed Kimchee's inventory. Using the gross profit method, the estimated value of the inventory destroyed is