Implied net amount to be borrowed...

…after the cost of the call(interest rate options). Having a little trouble understanding what this actually means. Any help would be appreciated.

Thanks

when you buy a call option you have to pay a premium up front. In return the seller makes a promise to pay you when the call option is in the money at expiration ( or earlier if you bought for an American option and choose to excercise)

“cost of the call option” is the premium.