Treasuries vs the loan you already have
Your best yield is the
interest you stop paying.
Idle cash parked in T-notes earns a taxed coupon while your GPU facility keeps accruing at full rate. Offset that cash against the facility instead and every dollar earns the borrow rate — and stays redrawable for payroll and opex.
after-tax cost / yr · 3.56% on idle cash
after-tax cost / yr · 11.85% on idle cash
in $M — type any size: 0, 1, 100…
Assumptions
Fully deductible: the offset is a pure rate play. You swap a taxed T-note coupon for a larger reduction in deductible interest, and the tax rate scales both sides equally — so the edge is just the borrow-rate-minus-T-note spread, after tax.
Annual ledger
Saved per year
after-tax, vs parking in T-notes
Effective spread
offset yield over T-notes
Interest neutralised
pre-tax, still redrawable