A trader creates a long butterfly spread from call options with strike prices $$50,$ $$55,$ and $$60.$ The options are worth $$13,$ $$10,$ and $$8,$ respectively. The trader will make a profit from this long butterfly spread position when the stock price at maturity is

Question $18$Select one:

a$.$

Less than $$50$

b$.$

Greater than $$60$

c$.$

Greater than $$50$ but less than $$51$

d$.$

Greater than $$59$ but less than $$60$

e$.$

Greater than $$51$ but less than $$59$