Mary has a preference $($desire$)$ for two $(2)$ goods, Good X$,$ which retails for $$5$ and Good Y that retails for $$10.$ Mary has a total income of $$500.$ By way of the use of Indifference Curve and Budget Constraint, you are asked to show the following:a$.$ Combination of goods that are preferred and attainable, give this individuals preference and income.b$.$ If the price of Good X$,$ is reduced by $50\%,$ show the following: