Am I charging enough?

I am a self employed small business admin assistant and I was hired by a cleaning company to basically run the entire business but when people have found out how much I charge they think I’m short changing myself so I thought I’d ask for some opinions…

For this cleaning company I do the following:

• Accounts receivable & payables
• All bookkeeping tasks
• Filing and paying of all company quarterly taxes & I work with a tax professional gathering what’s needed for yearly taxes
• I do all contracts, price negotiations, vendor account set up and property viewings
• Scheduling of services
• Maintaining all company insurances
• Employee records and new hiring onboarding
• I’m the main point of contact via email and phone
• I create spreadsheets for monthly budgets and monitor all bank accounts to make sure the company is on track
• Any errands needed for the business and owner
• All mail correspondence
• Keep the office stocked and inventory tracking

I work about 4-5 hours per day 5-6 days per week but I’m always on call for whatever the business or owner needs. I currently charge $850.00 per week and I’m in in the state of Arizona and file my own taxes as I’m a 1099 contractor and not an actual employee.

I look forward to your opinions on the matter and thank you in advance!