I don't need you to copy and paste past answers, i need a full step by step answer using the given information for all parts a,b,c please.

1. Suppose the old bankers on the central island own $5,000,000 of fiat money and creditors are owed $7,500,000. (a) Compute the price at which creditors will be able to sell the debt they own. (b) How much interest will a banker be willing to pay after the debtors have arrived in order to have one more dollar of fiat money? (c) Suppose the central bank is willing to purchase $2,000,000 worth of debt. What will the price of the debt be in this case