UK public debt calcs:

GDP: £2.3t

Debt: £2.5t

D/GDP ratio: 109%

Tax rev: £0.9t

Spending: £1t

Deficit: £0.1t

Pay back period = ∞

If we balance budget, cut spend to £0.9t:

Pay back period = ∞

For a 50y back back, cut spend by 13.5% from £1t to £0.865t = -£135bn/yr

∴ inflation