Here are data on three firms:

Firm A: Equity $80 million; Debt $50million; ROC 15%; Cost of Capital 10%

Firm B: Equity $300 million; Debt $150million; ROC 13%; Cost of Capital 11%

Firm C: Equity $200 million; Debt $200million; ROC 18%; Cost of Capital 12%

(example of answer format: $5.00, or 5.00, or if it's negative, then -$5.00, or -5.00)

a. What is the economic value added for firm A?

b. What is the economic value added for firm B?

c. What is the economic value added for firm C?