Need help with question 1, 2, 3 and 4 please please

[1] This discussion is adapted from Roger J. Best, Market-Based Management: Strategies for Growing Customer Value and Profitability, 6t ed. (2013, Upper Saddle River, NJ: Prentice-Hall), 48. Question 1 10 pts Examine the following income statement. What is the value of NMC? (Round your answer to the nearest dollar. Do not enter the dollar symbol.) Table 1. Hypothetical Income Statement Item Total Sales Revenue Cost of Goods Sold Parts & Materials $2,500,000 Dollar Amount $10.958,646 Direct Labor $1,000,000 $3,500,000 Gross Profit Margin $????? Marketing Expenses Salesforce Expenses $1,500,000 Sales Commissions $500,000 Trade and Media Advertising $300,000 Point-Of-Sale Materials $100,000 Coop Ad Allowances $500,000 Shipping Expenses $800,000 $3,700,000 Manufacturing Overhead $800,000 General & Administrative Expenses Administrative Overhead $250,000 Executive Salaries & Benefits $400,000 $650,000 Operating Profit $?????