On january 1, 2018, burleson corporation’s projected benefit obligation was $30 million. during 2018 pension benefits paid by the trustee were $4 million. service cost for 2018 is $12 million. pension plan assets (at fair value) increased during 2018 by $6 million as expected. at the end of 2018, there was no prior service cost and a negligible balance in net loss–aoci. the actuary’s discount rate was 10%. required: determine the amount of the projected benefit obligation at december 31, 2018.