10) Suppose the current stock price is $100. If the stock price increases soon, which action will provide the highest rate of return?

	a)	buy $100 call, buy $100 put
	b)	buy $95 call, short $105 call
	c)	short $95 call, buy $105 call
	d)	buy $100 call, short 2 units of $100 calls, buy $105 call