A transportation project of Vietnam need to call in $ 250 million ODA in 30 years. ADB makes a commitment to finance the project with the following conditions:

- Preferential interest rate is 2% per year, the grace period is 3 years, the nonrefundable aid is $ 15 million

- Interest and principal are paid at 6-month term

- The principal are paid regularly for the remaining term after the grace period

- Market interest is estimated 8% per year during the project

Requirement: Determine the granted elements of the project