题目内容：
20 Which of the following events occurring after the balance sheet date are classified as adjusting, if material?1 The sale of inventories valued at cost at the balance sheet date for a figure in excess of cost.
2 A valuation of land and buildings providing evidence of an impairment in value at the year end.
3 The issue of shares and loan notes.
4 The insolvency of a customer with a balance outstanding at the year end.
A 1 and 3
B 2 and 4
C 2 and 3
D 1 and 4
参考答案：