how to solve for the Cash at end of the year

Collections Debt repayment Payment to suppliers Borrowed from creditors Payments to employees Purchased new photo scanner Cash at beginning of year Cash at the end of the year $12,500,000.00 $1,500,000.00 $650,000.00 $2,150,000.00 $3,500,000.00 $1,800,000.00 $4,175,000.00