QB Issue Resolution:

gear>settings>products and services

create a service item for your rate, and select an income account on the item screen, use that on your invoice or sales receipt

you can create as many as you need if your charge different rates for different things

Resolution for Issue 'I am a lawyer and need to add hours and an hourly fee to my invoices. How do I do that?' available: Yes (Solved).
Source: Intuit Community forum.

I am a lawyer and need to add hours and an hourly fee to my invoices. How do I do that?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for billing
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