Ryan’s shoe store sells a variety of shoes. His “active shoes” campaign is reaching the daily budget cap by the early afternoon. What should Ryan do to get more traffic for his products?

• Increase the budget cap of the campaign
• Remove underperforming items from the inventory
• Increase the maximum cost-per-click (max. CPC) for all product groups
• Lower the maximum cost-per-click (max. CPC) for all product groups