The exercise below tests your abilities in understanding

The exercise below tests your abilities in understanding business vocabulary related to mortgages and loans.
1 You can get 2.2% __________ on your savings at our bank. 2 I couldn't buy the house because the bank refused to give me a __________. 3 We __________ a twenty-year mortgage on the house. 4 We __________ our mortgage last year, so we have no debts now. 5 I couldn't afford to buy the car, so I got a small __________ from the bank. 6 We paid 4% interest __________ the loan.
What is the best option?