Solution Particulars P Q R Gross Liability 4,00,000 6,00,000 8,00,000 Less: Marked Application 3,00,000 3,50,000 4,50,000 Less: Firm Underwriting 50,000 60,000 70,000 Less: Unmarked application 64,000 96,000 1,28,000 Total Balance (14,000) 94,000 1,52,000 Less: negative balance (14,000) 6,000 8,000 Net Liability Nil 88,000 1,44,000 + Firm underwriting 50,000 60,000 70,000 Total Liability 50,000 1,48,000 2, 14,000