Classifled Metal Corporation's projected benefit obligation was $120 million at the beginning of the year and $128 million at the end of the year. At the end of the year, pension benefits paid by the trustee were $4million and there were no pension-related other comprehensive income accounts. The actuary's discount rate was 5%. What was the amount of Classified Metal's service cost for the year? Enter your answer in millions (i.e. 5,000,000 should be entered as 5)