There are four tasks on my to$-$do list: laundry $($L$),$ sweeping $($S$),$ groceries $($G$),$ and exercise

$($E$).$ How many choices for an ordered list of tasks are there if $...$

$($c$)$ I do all four tasks today. Draw a tree to list the options for the order in which I do the tasks.

Then show how to count using the Steps Rule.