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.
Steps. 1  1. Measure the space you have for your mirror. Use a tape measure to get the height and width measurements of the space on the wall where you will hang or mount your mirror. 2  2. Determine your budget. Depending on the size and simplicity, the cost of a bathroom mirror can range from under $50 to over $1,000.