estimate of replacement cost

the landlord carries contents insurance that should cover the damage to the furnishings, equipment and to the computers, and the insurance company adjuster will come tomorrow to assess the furnishings and equipment damage, however, your boss is sure that the insurance settlement will not cover replacement costs. consequently, you have been instructed to prepare an estimate of what has been lost and /or damaged plus an estimate of what the replacement cost might be. How would you go about it? What would your summary of these losses look like?