| vickie 您好,       Sorry for the delay.       在construction contract中progress billing 表示收到的付款.包含received and receivable. format中有一项是  less:progress billings 这个包含已经收到的和还应收到的(progress billings received and receivable)    所以在这道题中,90%是progress billings received,10%是progress billings  receivable.应该这样解答: gross amount due from customers:                             $m costs to date                                                              12.5 recognised profit(1.5+1)                                              2.5 progress billings(12.6/90%)                                       (14) due from customers                                                     1.0 |