Determine the amount and type of financing component in the following contracts.
a. Payment of $ 1,500,000 occurs two years after delivery when the interest rate is 8%.
b. Payment of $ 1,500,000 occurs two years before delivery when the interest rate is 8%.
c. Delivery is three years after payment of $ 500,000 when the interest rate is 12%.
d. Delivery is three years before payment of $ 500,000 when the interest rate is 12%.