What is the nearest percent of second voltage drop in the circuit conductors given the following: conductors are #6 AWG copper, K=12.9, the distance to the most remote outlet is 200′, the load is 208 volt 3 18013 volt-AMP heater.

What is the nearest percent of second voltage drop in the circuit conductors given the following: conductors are #6 AWG copper, K=12.9, the distance to the most remote outlet is 200′, the load is 208 volt 3 18013 volt-AMP heater.