set terminal png
set output 'power.png'
set xdata time
set timefmt "%b %d %H:%M:%S %Y"
set title "Household Current (excluding garage)" 
set ylabel "AMPS" 
set yrange [0:*]
set xrange [*:*]
set xlabel " "
set grid
set size 1.2 ,0.5
# set key top left

plot 'power.720' using 1:($5 + $6) t "Total Current" with lines

set terminal png
set output 'watts_power.png'
set xdata time
set timefmt "%b %d %H:%M:%S %Y"
set title "Household Power (excluding garage)" 
set ylabel "Kilo Watts" 
set yrange [0:*]
set xrange [*:*]
set xlabel " "
set grid
set size 1.2 ,0.5
# set key top left

plot 'power.720' using 1:(($5 + $6) * 0.120) t "Total Power" with lines


set terminal png
set output 'dollars_power.png'
set xdata time
set timefmt "%b %d %H:%M:%S %Y"
set title "Household Power Cost (excluding garage) @ 12.8 cents/KWh" 
set ylabel "Dollars/Day" 
set yrange [0:*]
set xrange [*:*]
set xlabel " "
set grid
set size 1.2 ,0.5
# set key top left

plot 'power.720' using 1:(((($5 + $6) * 0.120) * 24) * .128) t "Total Cost" with lines