百盛商业公司期末库存A商品均为待售商品，原减值准备为0，账面余额为100万元，其中与乙公司签订合同的商品60万元，售价70万元，预计销售税费7万元。另外40万元的A商品无订单，预计市场售价为39万元，预计销售税费3.9万元，甲公司期末按照单项存货计提减值准备，甲公司本期末应计提的减值准备是( )万元。

A．0

B．1

C．1.9

D．4.9

The production of cars of this company has increased ______ 300, 000 a year, but the sales of new cars have fallen ______ 20 percent this year.

A．to; with

B．to; by

C．in; to

D．in; by