Acountry uses bronze coins with denominations of 1 peso, 2 pesos, 3 pesos, and 5 pesos, silver coins of denominations of 2 pesos and 5 pesos, and uses gold coins with denominations of 5 pesos, 10 pesos, and 20 pesos. a ) find a recurrence relation for the number of ways to pay a bill of n pesos if the order in which the coins are paid matters b) how many ways are there to pay a bill of 6 pesos if the order in which the coins are paid matters?