the answer to question 76 (exam 1) states that when customers “net equity” is below maintenance margin, the daily variation margin call should bring the “net equity” upto maintenance margin (answer (a))
but the example in PRM handbook – chapter I.C.6 Futures Markets – states that the margin call should bring the “net equity” to initial margin level (in which case the answer would be (b)
which one is correct?