What would be the dimensions of the poster at fraction 1 over 4 times its current size?

length = 96 cm, width = 144 cm
length = 6 cm, width = 9 cm
length = 20 cm, width = 32 cm
length = 28 cm, width = 40 cm

Margaret is purchasing a house for $210,000 with a 15 year fixed rate mortgage at 4.75% interest she has made a 5% down payment the house is valued at 205,000 and the local tax rate is 3.5% homeowners insurance 600 per year what are her total monthly payment