1.- A person is considering buying a house with a value of $ 2,500,000 MXN, and has $ 1,000,000 MXN in cash for the down payment. You have the following two options with a rate of 10% per year: Option 1: Pay the house with a down payment of $ 800,000 MXN and 20 annuities of $ 199,681.36. The remaining $ 200,000 MXN of the down payment will be invested in the bank at a rate of 10% for the same 20 years. Option 2: Pay the house with a down payment of $ 1,000,000 MXN and 20 annuities of $ 164,443.47 MXN. Perform equivalency calculations to determine which option is the best option.

2.- Bank A pays 8% annual interest compounded semi-annually. Bank B pays 7.9% annually compounded monthly, and Bank C pays 7.8% compounded daily. If you have $ 500 to invest. What bank would you build if the deposit period is at least one year?

3.- You bought $ 5,000 pesos in clothes and you have two forms of payment: make 50 weekly payments of $ 127.57 starting one week after the purchase or give a 20% down payment and make 38 weekly payments of $ 127.05 starting one week after the purchase. You have 52% annual interest compounded weekly. Which one should you choose?