If a firm takes actions that reduce its DSO,then,other things held constant,this will lengthen its CCC.

DSO

Days Sales Outstanding (DSO) is a financial metric that calculates the average time in days that a company takes to collect payment after a sale has been made, indicating the efficiency of the company's credit and collections policies.

CCC

Cash Conversion Cycle, a metric that shows the time span between a company's outlay of cash for materials and receiving payment from the sale of goods.