Generated invoice model
Migration to add an invoice for each sale
Migration to move invoice number from sale to invoice complete. Generated migration to set invoice amounts.
Finished migration to set invoice amount
Generated product model
Finished migrations for product model. Added products for each name existing in sales and changed product_name to product_id in sales.
Add name and account no to accounts table
Add name and account no to customers migration and generated migration for changing cust name and account no to cust id in sales.
Migration to change cust name and account no to cust id in sales
Generate employee model
Add names and emails to employees from sales
Replace employee in sales table with employee_id.