15*14*13/3*2*1 = 455
A company organized a recruiting process for 3 vacant positions of assistant manager for its product launches. The company's efforts yielded 15 eligible candidates. How many sets of 3 candidates can the company choose to fill the 3 assistant manager positions?

  *  2,060
  *  1,320
  *  455
  *  315
  *  220