in the United States and 10% in Europe. The same relationship holds for equity financing. b. If WestGas plans an expansion of only 560 milion, how should that expansion be financed? c. What will be the weighted average cost of capital for the expansion'? a. If WestGas plane an expansion of $120 million, what is the lowest average cost of capital for the first $40 million of new capital? \& (Round in twa decirnal places.)