Given the information, calculate change in NOWC for year 2017 and 2018, and use the assumption that investment in net operating working capital and capital expenditure are assumed to stay perpetually as the average of year 2017 and 2018 to calculate the CAPEX and change in NOWC for year 2019.

\begin{tabular}{|c|c|c|c|c|c|c|c|c|} \hline A & B & C & D & E & F & H & 1 & J \\ \hline \multicolumn{4}{|c|}{ Income Statement } & & \multicolumn{4}{|c|}{ Balance Sheet } \\ \hline & 2016 & 2017 & 2018 & & & 2016 & 2017 & 2018 \\ \hline Sales & 16,389,000,000 & 17,510,000,000 & 18,881,000,000 & & Assets: & & & \\ \hline Cost of Good Sold & (9,383,000,000) & (10,501,000,000) & (11,089,000,000) & & Accounts Receivable & 298,000,000.00 & 312,000,000.00 & 358,000,000.00 \\ \hline Gross Profit & $7,006,000,000.00 & $7,009,000,000.00 & $7,792,000,000.00 & & Inventory & 322,000,000.00 & 387,000,000.00 & 450,000,000.00 \\ \hline SG\&A Expenses & $(2,197,000,000.00) & $(2,265,000,000.00) & $(2,450,000,000.00) & & Other Current Assets & $1,069,000,000.00 & $897,000,000.00 & $1,417,000,000.00 \\ \hline Depreciation Expense & $(1,738,000,000.00) & $(1,846,000,000.00) & $(2,017,000,000.00) & & Total Current Assets & $1,689,000,000.00 & $1,596,000,000.00 & $2,225,000,000.00 \\ \hline Total Operating Expenses & $(3,935,000,000.00) & $(4,111,000,000.00) & $(4,467,000,000.00) & & Net PPE & $32,429,000,000.00 & $34,430,000,000.00 & $35,336,000,000.00 \\ \hline Operating Income & $3,071,000,000.00 & $2,898,000,000.00 & $3,325,000,000.00 & & Good Will & $2,910,000,000.00 & $2,967,000,000.00 & $2,925,000,000.00 \\ \hline Interest Expense & $(223,000,000.00) & $(198,000,000.00) & $(194,000,000.00) & & Intangible Assets & $1,275,000,000.00 & $1,200,000,000.00 & $1,176,000,000.00 \\ \hline Other Income/Expenses & $(26,000,000.00) & (43,000,000.00) & 62,000,000.00 & & Other Long-term Assets & $633,000,000.00 & $585,000,000.00 & $738,000,000.00 \\ \hline Income before Taxes & $2,822,000,000.00 & $2,657,000,000.00 & $3,193,000,000.00 & & Total Non-current Assets & $37,247,000,000.00 & $39,182,000,000.00 & $40,175,000,000.00 \\ \hline Income Taxes & $(49,000,000.00) & (60,000,000.00) & (54,000,000.00) & & Total Assets & $38,936,000,000.00 & $40,778,000,000.00 & $42,400,000,000.00 \\ \hline Net Income & $2,773,000,000.00 & $2,597,000,000.00 & $3,139,000,000.00 & & Liabilities: & & & \\ \hline & & & & & Current Debt & $1,097,000,000.00 & $2,202,000,000.00 & $2,426,000,000.00 \\ \hline & & & & & Accounts Payable & $713,000,000.00 & $762,000,000.00 & $730,000,000.00 \\ \hline & & & & & Accrued Liabilities & $1,740,000,000.00 & $1,877,000,000.00 & $1,654,000,000.00 \\ \hline & & & & & Deferred Revenues & $3,522,000,000.00 & $3,958,000,000.00 & $4,395,000,000.00 \\ \hline & & & & & Other Current Liabilities & $ & $1,000,000.00 & $(1,000,000.00) \\ \hline & & & & & Total Current Liabilities & $7,072,000,000.00 & $8,800,000,000.00 & $9,204,000,000.00 \\ \hline & & & & & Long-term Debt & $8,357,000,000.00 & $6,993,000,000.00 & $7,897,000,000.00 \\ \hline & & & & & Other Long-term Liabilities & $910,000,000.00 & $769,000,000.00 & $857,000,000.00 \\ \hline & & & & & Total non-current Liabilities & $9,267,000,000.00 & $7,762,000,000.00 & $8,754,000,000.00 \\ \hline & & & & & Total Liabilities & $16,339,000,000.00 & $16,562,000,000.00 & $17,958,000,000.00 \\ \hline & & & & & Stockholders' Equity & & & \\ \hline & & & & & Common Stock & $365,000,000.00 & $365,000,000.00 & $365,000,000.00 \\ \hline & & & & & Retained Earnings & $21,843,000,000.00 & $23,292,000,000.00 & $25,066,000,000.00 \\ \hline & & & & & Accumulated Other Comprehensive Income & $389,000,000.00 & $559,000,000.00 & $(989,000,000.00) \\ \hline & & & & & Total Stockholders' Equity & $22,597,000,000.00 & $24,216,000,000.00 & $24,442,000,000.00 \\ \hline & & & & & Total Liabilities and Stockholders' Equity & $38,936,000,000.00 & $40,778,000,000.00 & $42,400,000,000.00 \\ \hline \end{tabular} Step One: \begin{tabular}{|c|c|c|c|} \hline \multicolumn{4}{|c|}{ Common Size Income Statement } \\ \hline & 2016 & 2017 & 2018 \\ \hline Sales & 100.0% & 100.0% & 100.0% \\ \hline Cost of Goods Sold & 57.3% & 60.0% & 58.7% \\ \hline Gross Profit & 42.7% & 40.0% & 41.3% \\ \hline SG\&A & 13.4% & 12.9% & 13.0% \\ \hline Depreciation & 10.6% & 10.5% & 10.7% \\ \hline Total Operating Expense & 24.0% & 23.5% & 23.7% \\ \hline Operating Income & 18.7% & 16.6% & 17.6% \\ \hline Interest Expense & 1.4% & 1.1% & 1.0% \\ \hline Income Before Taxes & 17.2% & 15.2% & 16.9% \\ \hline Other Income/Expenses & 0.2% & 0.2% & 0.3% \\ \hline Income Tax Expense & 0.3% & 0.3% & 0.3% \\ \hline Net Income & 16.9% & 14.8% & 16.6% \\ \hline \multicolumn{4}{|l|}{ Step Two: } \\ \hline \multicolumn{4}{|l|}{2019 Sales Projection } \\ \hline 31,556,000,000.00 & & & \\ \hline \multicolumn{4}{|l|}{2019 Pro Forma Income Statement } \\ \hline & 2019(%) & 2019 (\$) & \\ \hline Sales & 100.0% & $31,556,000,000.00 & \\ \hline Cost of Goods Sold & 58.7% & $(18,508,042,047.65) & \\ \hline Gross Profit & 41.3% & $13,047,957,952.35 & \\ \hline SG\&A & 13.1% & $(4,135,603,758.73) & \\ \hline Depreciation & 10.6% & $(3,348,082,961.40) & \\ \hline Total Operating Expense & 23.7% & $(7,483,686,720.13) & \\ \hline Operating Income & 17.6% & $5,564,271,232.22 & \\ \hline Interest Expense & 1.2% & $(370,145,474.36) & \\ \hline Income Before Taxes & 16.4% & $5,186,147,926.45 & \\ \hline Other Income/Expenses & 0.03% & (7,977,831.41) & \\ \hline Income Tax Expense & 0.3% & (97,575,797.15) & \\ \hline Net Income & 16.1% & $5,088,572,129.30 & \\ \hline \multicolumn{4}{|l|}{ Step Three: } \\ \hline & 2017 & 2018 & 2019 \\ \hline Net PPE ending balance & $34,430,000,000.00 & $35,336,000,000.00 & \\ \hline Less: Net PPE beginning Balance & $(32,429,000,000.00) & $(34,430,000,000.00) & \\ \hline Plus: depreciation & $1,846,000,000.00 & $2,017,000,000.00 & \\ \hline CAPEX & $3,847,000,000.00 & $2,923,000,000.00 & $3,385,000,000.00 \\ \hline \end{tabular}