1) Calculate in how much time the amount of 3,600 becomes 5,045, if 15% of the time period bears interest at 2%, 30% of the period at an interest rate of 30% and the rest of the time period at 2.5% (gross year).

2) For the purchase of a house, an immediate cash payment of 100,000 was agreed and a payment of 5 installments of 10,000 every 30 days. If the interest rate is 2%, is the value of the house at the time of purchase greater than 149,500?