Starr Builders sponsors an unfunded postretirement plan providing health care benefits. The following information relates to the current year's activity of Starr's postretirement benefit plan: Service cost Amortization of net gain AOCI Prior service cost-AOCI Retiree benefits paid (end of year) Postretirement benefit expense $240 million 20 million none 68 million $300 million What is Starr's interest cost for the year? Multiple Choice o $60 million o $80 million o $100 million o S40 million