In 2020, Martin Company had net sales of $650,000 and cost of goods sold of $429,000. Operating expenses were $150,000, and interest expense was $10,000. Martin prepares a multiple-step income statement. Instructions (a) Compute Martins gross profit. (b) Compute the gross profit rate. (c) What is Martins income from operations and net income? (d) If Martini prepared a single-step income statement, what amount would it report for net income?