Farmer Johnson buys a NOV soybean put option with a strike price of

$$13\mathrm{.}00$ and a premium of $$1\mathrm{.}00$ and at the same time sells $($writes$)$ a

NOV call option with a strike price of $$16\mathrm{.}00$ and a premium of $$\mathrm{.}50.$

a$.$ What is the out$-$of$-$pocket cost to Farmer Johnson for setting his

market fence?