The value you try to compute is currently exactly $79, including fees (which are about $1). If the number of transactions were to double (or halve) tomorrow, th

The value you try to compute is currently exactly $79, including fees (which are about $1). If the number of transactions were to double (or halve) tomorrow, that value would halve (or double). You are just dividing fixed ongoing rewards by a variable metric unrelated to the rewards (transactions). You are propagating a misconception that somehow this represents the cost of a transaction.