You can use the Hourly Invoice by Title template with the Rate column in CORE by selecting that invoice template from Global Settings.
- On the Global Settings > Template Assignments screen, select the relevant template for any invoice type by clicking Choose Template.
- On the Choose Template dialog, select Hourly in the Show option.
- Select Hourly Invoice by Title from the left panel and preview it.
- On Edit Templates>Layout, select the Rate option and click Save Changes.