Proforma invoice spells out the rights and obligations of the buyer, as well as the seller, and is equivalent to the contract between the two parties. On the other hand, commercial invoice pertains more to taxes and customs clearances. Both invoices have different roles and functions to perform.
1 Small shaving or make-up mirrors start at $4-$30 for basic models but can cost $30-$150 or more depending on the level of magnification and quality of materials plus features such as being fog free (surface treatment or heating element), built-in lighting or an adjustable/extending wall mount.
1 If not included, premade vanity countertops start at $20-$150 but can cost $200-$1,000 or more, and bathroom sinks start at $20-$70 but can cost $450-$750 or more; for details see How Much Does a Bathroom Countertop Cost and bathroom sink. Semi-custom or custom vanities can cost $200-$1,000 or more to install, depending on the complexity of the project, raising total costs to $700-$3,800 or more.