how do you calculate the numbers in grey using the info? can you please show the original formulas as well indicating what each variable stands for

Mutual Funds: Fees Example Fund A: low fees provider, is a no-load fund with 0.25% expense ratio. Fund B: no-load fund with 1.25% expense ratio Fund C: 5% front-end load with 1.0% expense ratio > If you have $50,000 to invest, project your wealth for 5, 10, 15, 20, 25, and 30 years in the future. Projecting Future Wealth Based on Mutual Fund Fees Assumed Rate of Return: Investment Amount: Front-end Expense Ratio Amount Invested End of 5th year End of 10th year End of 15th year End of 20th year End of 25th year End of 30th year 10% 50,000 0.00% 0.25% 50,000 0.00% 1.25% 50,000 5.00% 1.00% 47,500 79,614.59 76,053.00 73,084.64 126,769.65 115,681.17 112,449.77 201,854.27 175,957.99 173,017.92 321,410.89 267,642.65 266,209.51 511,779.90 407,100.51 409,596.33 814,902.92 619,224.27 630,214.73