The Following Is a List of Accounts for Carleton Corporation

The following is a list of accounts for Carleton Corporation for the year ended October 31, 2012. $$\begin{array} { l r } \text { Advertising expense } & \$ 130,000 \\\text { Amortization expense } & 90,000 \\\text { Cost of sales } & 545,000 \\\text { General and administrative expenses } & 158,000 \\\text { Income tax expense } & 105,000 \\\text { Interest expense } & 60,000 \\\text { Research expense } & 100,000 \\\text { Sales revenue } & 1,900,000 \\\text { Sales commissions } & 190,000 \\\text { Salaries expense } & 376,000\end{array}$$ Required:
A) Prepare an income statement for Carleton for the year.
B) What is Carleton's gross margin for the year?
C) What is Carleton's gross margin percentage for the year?