What happens to the delta of the portfolio if the stock price becomes very small?

A collar is established by buying a share of stock for $50, buying a 6-month put option with exercise price $43, and writing a 6-month call option with exercise price $57. On the basis of the volatility of the stock, you calculate that for a strike price of $43 and expiration of 6 months, N(d1) = 0.8235, whereas for the exercise price of $57, N(01) = 0.7411. a. What will be the gain or loss on the collar if the stock price increases by $1? (Round your answer to 2 decimal places.) Collar of b. What happens to the delta of the portfolio if the stock price becomes very large? Delta of the portfolio approaches