=================简单的会计题目====================Acompany'sOfficeSuppliesaccountshowsabeginningbalanceof$600andanendingbalanceof$400.Ifofficesuppliesexpensefortheyearis$3100,whatamountofofficesupplieswaspurcha

Question

=================简单的会计题目====================
A company's Office Supplies account shows a beginning balance of $600 and an ending balance of $400. If office supplies expense for the year is $3100, what amount of office supplies was purchased during the perioed?
A.$2700
B.$2900
C.$3300
D$3500
E$3700
请问各位大牛，应该选哪个，为什么这么选？

Answer 1

账户期初余额为600$，期末余额为400$，如果年度费用额度为3100$，
实际采购的金额=400+3100-600=2900$。
应该选 B.$2900。