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Step 2: Substitute data for calculation.1.01 {240} \ approximate 10.8926 is calculated by a calculator.\end{align*}

Step 1: Review the formula of compound interest final value.F&=(1 + 0.01)^{240}\\This means that after 240 trading days, the overall increase multiple is about 10.8926 times, and the increase is (10.8926-1) \times 100\% = 989.26\%.

&=1.01^{240}Substituting r = 0.01 and n = 240 into the above formula, we can get:The following is to calculate the increase of 240 trading days according to the daily increase of 2%, and calculate it through the calculator, 1.02 {240} \ approximate 115.8887.