If a company’s ‘cash conversion cycle’ is 45 days, it implies:

the company requires $\displaystyle 45$ days to manufacture the goods.

the length of time between a firm’s purchase of inventory and the receipt of cash from accounts receivable is $\displaystyle 45$ days.

the company pays the amount due to its creditors in $\displaystyle 45$ days.

that the length of time between the manufacturing of goods and sale of goods is $\displaystyle 45$ days.