(i) A sum equal to the excess, if any, discounted at 8% per annum, of (x) the full amount of Rent reserved under the Lease for the balance of the unexpired portion of the Initial Term, or a Renewal Term, as applicable, and the Additional Rent and other charges or sums payable by Tenant hereunder which would have been payable had the Lease not so terminated, over (y) the aggregate rental value of t