What is the number of fishing boats when the profits is zero and we double the costs factor c due to extra requirements for the boats.

AutoSave OFF Exampleprofit(4) ~ Home Insert Draw Page Layout Formulas Data Review View Tell me Share Comments Calibri (Body) 11 AA D Wrap Text v General Insert v Ex Delete Paste BI UV A Merge & Center v v % " Conditional Format Cell Sort & Find & Analyze Sensitivity = Formatting as Table Styles Format Filter Select Data G29 X V fx =+$B$6*E29 A B D F G H K L M N 0 P Q R U V W X Z AA 10,000 0.004 Revenue Costs 30000000 100,000 0.08 Effort 3800000 1000000 1,000,000 2 7200000 2000000 20000000 3 10200000 3000000 4 12800000 4000000 15000000 5000000 6 16800000 6000000 10000000 7 18200000 7000000 8 19200000 800000 9 19800000 900000 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 10 20000000 1000000 11 19800000 11000000 12 19200000 12000000 -1000000 0 13 18200000 1300000 Revenue 14 16800000 14000000 15 15000000 1500000 -2000000 0 Costs 16 12800000 16000000 17 10200000 17000000 18 7200000 1800000 -3000000 0 19 3800000 19000000 20 0 2000000 21 -4200000 21000000 22 -8800000 22000000 23 -1.4E+07 2300000 24 -1.9E+07 24000000 25 -2.5E+07 25000000 43 Sheet1 Sheet2 Sheet3 + Ready + 100%