please assist in helping me understand requirement 3 and 4 please, i have posted the answers to requirement 1,2,5 & 6 for reference!

Brooks Plumbing Products Inc. (BPP) manufactures plumbing fixtures and other home improvement products that are sold in Home Depot and Walmart as well as hardware stores. BPP has a solid reputation for providing value products, good quality, and a good price. The company has been approached by an investment banking firm representing a third company, Garden Specialties Inc. (GSI), that is interested in acquiring BPP. The acquiring firm (GSI) is a retailer of garden supplies, it sees the potential synergies of the combined firm and is willing to pay BPP shareholders $40 cash per share for their stock, which is greater than the current stock price; the stock has traded at about $36 in recent months. Summary financial information about BPP follows. BROOKS PLUMBING PRODUCTS INC. Selected Financial Information For the Years Ended December 31 2019 Industry Average $ 2019 79,979,778 56,838,465 39,725,416 $ 2018 3,516, 227 87,360,771 59,949,645 167.338.377 100,680,809 170,647, 409 68,794,002 119,105,766 32,057,364 126,001,338 23.560,000 668,134,771 498,957,788 102,727,355 361 18,826,493 2.810,000 36.38 26,289,554 143,838, 377 95,947,302 188,525.338 67,395,209 121,061,274 37.951, 382 87.701,369 13.050,336 639,376,465 477.291.ee 134,825, 229 Cash Accounts receivable Inventory Long-lived assets Gross book value Net book value Replacement cost Liquidation value Current liabilities Long-term debt Shareholders' equity Capital expenditures Sales Cost of sales Operating expense" Income tax rate Depreciation expense Dividends Year-end stock price Number of outstanding shares Sales multiplier Free cash flow multiplier Earnings multiplier Cost of capital Accounts receivable turnover Inventory turnover Current ratio Quick ratio Cash flow ratio Free cash flow ratio Gross margin percentage Return on assets (net book value) Return on equity Earnings per share 36.00 S 15,724.254 1,310,000 23.59 23,363,554 1.30 8.60 13.60 6.10 8.40 1.10 1. Je 1.10 32. 22.03 28.07 $ 2.31 Inventory turnover Current ratio Quick ratio Cash flow ratio Free cash flow ratio Gross margin percentage Return on assets (net book value) Return on equity Earnings per share 8.40 1.80 1.10 1.30 1.10 32.ex 22.ex 28.ex $ 2.31 Operating expense includes depreciation expense. Required: 1. What is the valuation of BPP (for 2019) using the market value method? 2. What is the valuation of BPP (for 2019) using the book value method? 3. What are the valuations of BPP (for 2019) using the multiples-based methods for sales, earnings, and free cash flow? 4. What is the estimated value for BPP using the discounted free cash flow method, assuming that the 2019 amount of free cash flow continues indefinitely? 5. Which of the methods would you use? 6. Is the GSI offer a good one? (For requirements 1 to 4. round your answers to the nearest whole dollar amount.) Answer is not complete. $ 956,413,975 126,001,338 580,000,000 Market value of equity method Book value of equity method Multiples-based method - Sales Multiples-based method - Earnings Multiples-based method - Free cash flow Discounted cash flow method Which of the methods would you use? Is the GSI offer a good one? Market value of equity method 6