Correct

搭售

/ dā shòu / 
Strokes

Example

As a Verb

sell unsaleable products as a package; make a tie-in

1
Dāshòu
搭售
zhìxiāopǐn
滞销品

tie in unsaleable products in a package deal

As a Noun

tie-in sale; tied sale

2
Kǔnbǎng
捆绑
dāshòu
搭售

bundling sale

3
Hùnhé
混合
dāshòu
搭售

mixed tie-in sale

4
Chúncuì
纯粹
dāshòu
搭售

pure tie-in sale