(11)in 1/4/2020, a client had a deposit of $ 8000, with an annual return of 8% , and the return is added at the end of each year, noting that the customer has a debt of 15992 Required: What is the time required to keep the deposit in the bank until payment is made?

(12)How much the normal annual payment must be deposited in the bank to obtain at the end of 3 years the amount of 12,000 If the payment is quarterly, and it is paid at the end of each quarter of the year, and a return of 8% is achieved for it;

(13)How does a company obtain government grants, taking into account the support of the answer by applying a practical application of the accounting treatments used for each method.