Thomas manufacturing is capitalized with long$-$term debt, preferred stock and common stock. The right amount and cost of debt each capital source is in the table. The cost of debt is the after$-$tax cost. What is the firm's weighted average cost of capital? Show the "weight" calculation for each capital source in the final formula and seperate formulas. $($round to $2$ decimal places$)$

Amount $($$$)$ Cost $(\%)$

Long term debt $750,0005\%$

Preferred Stock $250,0006\%$

Common stock $4,200,0009\%$

Total $5,200,000?????$