1. Emiliano signed today a promissory note for the amount of $92,000. The stipulated interest rate is a 20% per annum. How many days are needed for the interests to reach $8,000? 2. Determine the face value of a promissory note if at maturity date after 75 days $18,600 need to be paid back, having applied an annual interest rate of 7.8%.

3. On October 11th 2020, Alessandro signed a promissory note for an amount of $250,000 at an annual interest rate of 21.5%. At which date will the interests reach $15,000?

4. Determine the face value of a promissory note, if at maturity date $48,000 (including the interests) are paid back, after 95 days having applied a rate of 18% annually.

What would be the amount to pay if promissory note is liquidated after 120 days?

5. What is the cash price of a car that is paid by giving a 22% of its value as a down payment and signing an 18-month promissory note paying $312,000 that already includes interest at a rate of 28% per year?

Help, please:(