Net worth is defined as total assets subtracted by total liabilities
Your net worth comprises both financial and non-financial assets owned by an individual or entity, less any existing liabilities.
An asset refers to any valuable resource, whereas a liability encompasses all debts owed.
Total assets are summarized as:
325,000 (house) + 750 (guitar) + 15,000 (car) + 8,000 (investments) + 2,100 (savings)
which totals 350,850.
Total liabilities consist of:
245,000 (mortgage) + 9,000 (car loans)
which adds up to 254,000.
Thus, net worth calculates to
350,850 - 254,000
which equals 96,850.