1)

A person bought a room on credit, the cash price of which was $ 90,000. If the person chose to pay for the room in 7 equal monthly payments and the first monthly payment will be paid within 4 months after receiving the room, what amount would the person have to pay if the store charges interest of 10% per annum capitalizable semi-annually for financing its clients?

2)

One person bought a golf cart on credit, which cost $ 100,000 in cash. To cover the total cost of the cart, the person agreed to make 6 equal annual payments to the car dealership, of which the first payment would occur at the time of receiving the cart (at t = 0) as a down payment. How much should each payment be if the agency charges a nominal 12% annual financing interest compounded semi-annually?