Zervos had the following data for 2008.

Zervos had the following data for 2008. The new CFO beleives that (a) that an improved management system could lower the average inventory by $4,000(b)that improvements in the credit department could reduce recieveablesby 2,000 and (c) that the purchasing department could negotiate better credit terms and thereby increase accounts payable by 2,000. Futhermore, she thinks these changes would not effect either sales or cost of goods sold. If these changes were made , by how many days would the cash conversion cycle be lowered?