Allocation Amount means, as of the Closing Date, the Series 2018-1 Stated Principal Amount and on any date of determination thereafter, the sum of, without duplication, (a) the Allocation Amount determined as of the later of the Closing Date or the date of determination immediately prior to the then current date of determination, plus (b) the amount of all increases in the Series 2018-1 Stated Principal Amount resulting from the issuance of additional Series 2018-1 Notes since the prior date of determination, plus (c) all reimbursements, as provided in Section 4.04(e) or otherwise, of reductions in the Allocation Amount due to Investor Charge- Offs or Reallocated Principal Collections since the prior date of determination, minus (d) the amount of the reduction in the Allocation Amount due to Investor Charge-Offs since the prior date of determination, determined as set forth in Section 4.07, minus (e) the amount of the reduction in the Allocation Amount due to the application of Reallocated Principal Collections since the prior date of determination, determined as set forth in Section 4.08, minus (f) the amount deposited into the Principal Funding Account or (without duplication) deposited into the Distribution Account pursuant to Section 4.05(c) or paid to the Series 2018-1 Noteholders (in each case, after giving effect to any deposits, allocations, reallocations or withdrawals to be made on that day) since the prior date of determination; provided, however, that (1) the Allocation Amount may never be less than zero, (2) the Allocation Amount may never be greater than the Adjusted Outstanding Dollar Principal Amount and (3) if there is a sale of Collateral in accordance with Section 4.14, the Allocation Amount will be reduced to zero upon such sale.