explain the difference between Brokers and Dealers?

  please see below all the Qs  for the assignment: Q1. XZY has net sales of 5,320,140; net income of 2,145,700; cost of goods sold 1,300,000; and EBIT 2,200,000. Calculate the gross profit and the operating profit margin for the firm. (Show your calculations) (1 Mark)- Ch 4Q2. Prepare a common sized Balance Sheet for the below Balance sheet? (Show your calculations) (1 Mark)- Ch 4  Cash21,000 Acct/Rec52,000 Inventories200,500 Current assets273,500 Net fixed assets132,000 Total assets405,500 Accts/Pay22,800 Accrued expenses21,000 Short-term N/P8,700 Current liabilities52,500 Long-term debt150,000 Total liabilities 202,500 Owner’s equity203,000 Total liabilities and owners’   equity405,500Q3. ABC company generated total sales of $32,565,420 during fiscal 2021. Depreciation and amortization for the year totaled $1,278,120, and cost of goods sold was $21,400,000. Interest expense for the year was $6,341,250 and selling, general, and administrative expenses totaled $2,556,610 for the year. If the company’s tax rate was average 30 percent, what is its net income after taxes? (Show your calculations) (1 Mark)- Ch 3Q4. BBB company had cash and marketable securities worth $400,134 accounts payables worth $2,490,357, inventory of $1,321,500, accounts receivables of $2,188,128, short-term notes payable worth $120,000, other current liabilities of 200,000, and other current assets of $521,800. What is the company’s net working capital? (Show your calculations) (1 Mark)-Ch 3Q5. In your own words, explain the difference between Brokers and Dealers? (Show your calculations) (1 Mark)-Ch 2