A check cashing store is in the business of making personal loans to walk up customers the store makes only one week loans at 7% interest per week what a PR must the store report to its customers? What EAR are the customers actually paying?

Now suppose the store makes one week loans at 7% discount interest per week. What's the APR now? The EAR?

The check cashing store also makes one month out on interest loans at 7% discount interest per week though Us if you borrow $260 for one month (4 weeks), The interest will be ($260 x 1.07 to the fourth power)-$260=80.81. because this is discount interest your net loan proceeds today will be $179.19. You must then repay the store $260 at the end of each month. To help you out though the store let you pay off this $260 in installments of $65 per week what is the APR of this loan? What is the EAR?