A) Merchandise is received for $25,000 now and $50,000 in 6 months. If $10,000 is paid within a month, what will be your balance to be paid in the third month if we consider an interest rate of 18% annual compounded monthly? Consider the third month as the focal date. R $ $ 63 655.56

B) A merchant acquires articles for his business for a value of $8,600 paying 30% in cash and the rest with direct financing from the supplier; Two months later he makes a payment of $2,000, agreeing to pay off the debt with a final payment after 6 months. Find the value of the final payment considering that the money is financed at 7%. R $ 4.184,03