A seller intends to increase the price of a certain commodity in order to obtain more sales revenue, but as a result, the sales revenue decreases. When the demand price of the commodity is flexible( ).
【单选题】Direct advertising includes all forms of sales appeals, mailed, delivered, or exhibited directly to the prospective buyer of an advertised product or service, without use of any indirect medium, such ...
A.
includes all forms of sales appeals to the prospective buyer
B.
is produced mainly for newspaper or television
C.
is an activity by which real products are shown to buyers
D.
uses post as a chief means to contact prospective buyers