Answer:
Operating Margin = EBT / Sales * 100
EBT = EBITA –Amortization - Interest
EBT = $1,611 - $0 - $219
EBT = $1,392
Operating Margin = 1,392 / 16,983 * 100
Operating Margin = 8.2%
Debt to Book Capitalization = Debt / Books Capitalization
Books Capitalization = Debt + Equity + Non Current Deferred tax Liabilities
Books Capitalization = $3,167 + $871 + $554
Books Capitalization = $4,592
Debt to Book Capitalization = 3,167 / 4,592
Debt to Book Capitalization = 69.0%