1. Price a 3 month call using a one step binomial tree where the risk free rate is 2.48%. Where S₀ is $50, the strike price is 52 and it can increase or decrease by 10% with equal probability. Please use 4 decimal places in your response

2. A 3 month call cost 2.38 with a strike of 25.0 on a stock which costs $21. If the risk free rate is 2.5% what should be the cost of a 3 month put with a strike of 25.0?