The demand for the new Christian Paboutin shoes can be written as a function of its selling team of the shoe company estimates that there is a base demand for 430000 shoes (mean will buy the shoes if they are free). The marketing team expects that for every South African of Christian Paboutin shoes, demand for the shoes will decrease by 4500 pairs. Write an expression for the demand of pair of shoes as a function of the pair price. U selling price in rands per pair.