Which of the following can help prevent an occurrence of the bullwhip effect $($select all

that apply$)$

Group of answer choices

a$.$ Increase end$-$of$-$period incentives for sales and marketing personnel.

b$.$ Produce in smaller batches.

c$.$ Give upstream supply chain partners visibility of point$-$of$-$sale data.

d$.$ Institute EDLP $($every day low prices$).$