Please, provide the formula and explanation. Thanks

24. An accountant for a corporation forgot to pay the firm's income tax on D321,014 The government charged a penalty based on an interest rate of 13.4% per year, compounded the 29 days the money was late. Find the total amount (tax and penalty) that was paid by the corporation to the government. (Use a 365-day year.) an The total amount paid (tax and penalty) was