Regulated Lending Corp., a depository institution regulated by the Fed, has the below segments in it loan portfolio. Its cost of funding is 2.00%. (All rates are per annum.) It has 30 billion in Tier 1 regulatory capital and must maintain an 8% Tier 1 capital ratio. - 500 billion in high grade loans at 20% risk weight (RW), 3.25% interest, and a 0.20% expected loss (EL) - 200 billion in A-rated quality loans at 50% RW, 4.75% interest, and a 0.40% EL - 100 billion in BBB quality loans at 100% RW, 5.50% interest, and a 0.8%EL - 75 billion in low credit quality loans at 150% RW, 9.00% interest, and a 4.25%EL What is the bank's regulatory capital surplus? (A positive number indicates surplus, 0 indicates meet its regulatory capital requirements, and a negative number indicates it is undercapitalized.) Enter the answer in billions of dollars to the nearest tenth