Happy Family plans to buy a home in four years. Experts in this area have estimated that the cost of real estate will increase at the rate of 7% per year during that period. This family can make investments that give them a 12% return. If the economic predictions are valid;

a. How much will they have to pay for a house that now costs $ 150,000? b. How much will they have to deposit monthly so that after those four years they can buy it? 

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