We have the
Incomes
Salary $36,000 /year
In order to know the salary per month, we divide the salary per year between 12

Salary $3000 / month
Pottery sales $200/ month
Total income per month

Expenses
House payments $800 /month
Groceries $150 / week
We need to know the groceries per month, in a month we have 4 weeks therefore

Groceries $600 /month
Household expenses $400 month
Health insurance $250 month
Car insurance $600 twice a year
We need to know the car insurance per month, twice a year that means that we pay that every 6 months

Car insurance $100 /month
Savings plan $200 /month
Donations $600 year
We need to know the donation per month we have 12 months in a year

Donations $50 /month
Miscellaneous $800/month
Then we sum the expenses per month

Total Income $3200
Total Expenses $3200
Net Monthly Cash Flow

The Net Monthly Cash flow is 0