They're both joke high school electives, dude. Easiness depends on your teacher, so no one can give you a reliable answer unless you ask someone who took it at your particular high school. There will some memorization, but it's very basic biz terminology, nothing to worry about.
If you have your own production, you are probably familiar with how difficult it is to track the amount of work completed, but now https://www.upgreen.com/measuring-counter/ will help you with this.
With this device, you can easily determine the amount of work done.