If you have three loads of laundry to do$,$ one washer and one dryer, and start at $12$:$00$ noon, what is the earliest time that you can finish?

It is $1$:$00$ p$.$m$.$ Load one is in the dryer and load two is in the washer when the neighbor asks for help moving some furniture. For how long can you help your neighbor without delaying the project completion time determined question $(1)?$