One Saturday, Marlon and his mom went to the market and bought the following: vegetables in the amount of ₱405.50,meat amounting to ₱ 389.25 and other goods in the amount of ₱275.75 his mom gave 1 piece ₱500-bill, 3 pieces ₱100-bill, 4 pieces ₱50-bill, and 5 pieces ₱20-bill to the cashier.How much is her change? with solution and clarity of discussion