Assign the proper configurational descriptor to each asymmetric center in D-gulose below. 
Definitions:
After-Tax Discount Rate
The discount rate that has been adjusted to reflect the net of tax status, used in calculating the present value of future cash flows after taxes.
Straight-Line Depreciation
A method of allocating the cost of a tangible asset over its useful life uniformly.
Net Advantage to Leasing
The total financial benefits of leasing an asset, compared to purchasing it, taking into account all costs and savings.
Lease Payments
Regular payments made by a lessee to a lessor for the use of a leased asset.
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