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Discounted Lease Rentals: (Details) - USD ($) | Dec. 26, 2020 | Dec. 28, 2019
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Discounted Lease Rentals |  |
Discounted lease rentals, current | $ 1,096,600 | $ 2,680,700
Discounted lease rentals | $ 1,700,000 | $ 3,500,000
Secured Debt. |  |
Discounted Lease Rentals |  |
Weighted average interest rate on a non-recourse basis (as a percent) | 6.05% |

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