Suppose you want to borrow $50 from either your brother or your sister for a week. they each odder you a different condition for borrowing money. your brother asks for an additional $5 for each day that you are late paying back the money. your sister says she will increase the total amount you owe her by 10% for each day you are late returning the money. create a function model for the money you need to return to your sister based on the number of days you are paying back the money