Shockley's Shock Absorbers (SSA) is raising investment to fund its growth. The company expects to be sold to a larger auto parts manufacturer in four years for $20 million. You are considering investing $100,000 in SSA, and you want to earn 25% on your investment. The company has 5 million shares of stock outstanding.

Based on your current valuation for SSA, and using the pre-money valuation, what % of the company would you be buying?