Assume that employees of Pearstein Candy Company are searching eBay for replacement parts to keep their machinery running because the manufacturer no longer makes these parts. It is reasonable to assume that this means higher maintenance costs overall for the company in $2023$ versus $2022.$ Based on Pearstein's current situation, answer the following questions:

a$.$ How will purchasing machine parts on eBay affect Pearstein's Statement of Cash Flows? Will it affect their Cash Flows from Operating Activities, Investing Activities, Financing Activities, none of them, all of them? Explain your reasoning.

b$.$ How should managers at Pearstein use the effects you identified in question A to improve their operations in $2024?$