Drop down option is increase or decrease.

On January 1, Swifty Inc. completed its analysis of the prospects for the Geriatric Toy Store and concluded that there was a 15-percent chance the stock price would be $130 in one year and an 85-percent chance the stock price would be $180. Six months later, Swifty Inc. revised its estimated probabilities to a 30-percent chance of a stock price of $130 and a 70 percent chance of $180. If the market agrees with Swifty Inc.'s revised probabilities, what is the expected change in stock price from January 1 to July 1? Assume the discount rate is zero. (Round answer to 2 decimal places, e.g. 15.25.) mated probabilities to a 30-percent chance of a stoc Expected change in stock price