Consider a portfolio containing options on the stock of Amazon (ticker: AMZN).

Suppose today you buy a $1,900-strike Amazon call option for $300, sell a $2,000-strike Amazon call option for $275, sell a $1,900-strike Amazon put option for $100, and buy a $2,000-strike Amazon put option for $150. All options have an expiration date that is one year from today and the annual risk-free interest rate is zero.

What is the initial cost of the portfolio of options today?

A. You receive $75

B. You pay $325

C. You receive $325

D. The cost is zero since the portfolio is a box spread

E. You pay $75