$($a$)$ The total energy supplied during this $22\mathrm{.}6$ min interval

$($b$)$ The average power supplied during this $22\mathrm{.}6$ min interval

$($c$)$ The average current supplied during this $22\mathrm{.}6$ min interval

w$\_($total $)=,$kJ

p$\_($avg$)=,$W

i$\_($avg$)=,$A