Zapier Automation for Google Drive and Email Integration

I need an expert in Zapier and Google Sheets to set up a reliable automation process. Here’s the workflow I’m aiming for: - When a new PDF is added to a specific folder in Google Drive, only that latest file should be emailed automatically to my customer(s)... (Budget: $75 - $150 USD, Jobs: Google App Engine, JavaScript, PHP, Salesforce.com, Software Architecture)