Thank you for returning to this conversation and sharing the screenshots, bgoon. I understand you'd like the markup for different services tied to their respective income accounts. I'll take this opportunity to provide you with details about this matter.

Currently, QuickBooks Online (QBO) doesn't support allocating markup to multiple accounts when marking an expense as billable. We appreciate your insight and encourage you to submit feedback to our product engineering team, as your input is valuable for future improvements.

To submit your feedback, please follow these steps:

1. Go to the Gear icon and choose Feedback.
   
   
2. Enter your comments/suggestions about the subtotal feature.
3. Click Next to submit.
   
   

As a workaround, since one income account can be used for markup, you can use a journal entry to transfer the amounts from the default markup account to another income account. However, I recommend consulting your accountant for further guidance.

Furthermore, you can utilize this article when personalizing your sales form. It provides further tips about handling templates: Customize invoices, estimates, and sales receipts.

Once again, I want to express my sincere appreciation for your valuable input and for bringing this matter to our attention. Your feedback is instrumental in helping us enhance QBO to serve the needs of your business. If you have further questions or concerns about markup allocation for different services, please don't hesitate to reach out. Our support team is always here to assist you in maximizing the capabilities of QuickBooks Online for your business.