Assume the following information:

$\backslash$table$[[$Actual run time this week,$4,660$ minutes$],[$Machine time available this week,$5,000$ minutes$],[$Actual run rate this week,$3\mathrm{.}6$ units per minute$],[$Ideal run rate,$4\mathrm{.}0$ units per minute$],[$Defect$-$free output this week,$15,000$ units$],[$Total output this week $($including defects$),16,776$ units$]]$

What is the efficiency loss in units?

Multiple Choice

$2,000$ units

$1,864$ units

$1,728$ units

$1,176$ units