A company has 39 salespeople. A board member at the company asks for a list of the top 4 salespeople, ranked in order of effectiveness. How many such rankings are possible?​

When the sun goes down, and the moon shines bright,The moon comes up and the sun goes down We find a little spot on the edge of town Twist off, sip a little, pass it around Dance in the dust, turn the radio up And that fireball whiskey whispers Temptation in my ear It's a feelin' alright Saturday night And that's how we do it 'round here.When the sun goes down When the sun goes down Oh oh oh oh yeah Down,down,down The sun is going down, down,down When the moon appears, you can always hear us say When the stars come out, you can always here us say [Chorus] The party doesn’t start 'til the sun goes down That’s when everything starts moving, Everybody out when the sun goes ...When the sun comes up The moon goes down You can find your way back home If you wait 'til the sun comes round Now that the tables have turned I'm taking all that I've learned-with me Now I can see The truth is what's burning free Repeat Chorus: Bridge/Solo Now I can stand on my own No fear of being alone-again The darkness ends The moment I see ...When the sun goes down And the moon comes up And the stars come out I can feel you all over (Feel you all over) All over (Feel you all over) Every time I breathe Air into my lungs I can close my eyes And feel you all over (Feel you all over) All over (Feel you all over) And don't think about it, no Suffer when the wind blows Don't think about itLyrics to 'Sun Goes Down' by T-Pain. Oh you're all looking up With hearts of devotion Through the dust and the heat lost to me In a cloud of emotion I have no motivation Children of ... your eyes coz another day is dawning, / Skies open Children of ... your eyes coz another day is dawning,

Explanation: