The largest profit from the strategy below would be _____ and the range of the spot rate on the expiration date for a positive profit would be between _____ and _____

A Long Butterfly

-Buy one call option with an exercise price of one dollar $1.48 for a premium of $0.02

-sell two call options with an exercise price of $1.50 for a premium of $0.02

-Buy one call option with an exercise price of $1.52 for a premium of $0.02