Buying a Straddle: Betty buys a straddle on Lehigh that has a strike price of $$40\mathrm{.}90.$ The premium of the call is $$1\mathrm{.}30$ and the premium of the put is $$1\mathrm{.}90.$ Calcuate the net profit or loss on buying the straddle if at the time of expiration the price per share of Lehigh is $$20\mathrm{.}70.$

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Place your answer with dollars and cents without a dollar sign. Enter negative answers with a "minus" sign. For example, if your answer is negative two dollars and seventy five cents, then enter $-2\mathrm{.}75.$