The following incomplete (columns have missing amounts) pension spreadsheet is for the current year for First Republic Corporation (FRC).

($ in millions) Debit(Credit)	PBO				Plan Assets				Prior Service Cost				Net (Gain)/Loss				Pension Expense				Cash				Net Pension (Liability)/ Asset
Beginning balance		(500	)							46				(108	)
Service cost																		80
Interest cost																		45
Expected return on assets						86
Gain/loss on assets														(4	)
Amortization of:
Prior service cost										(9	)
Net gain/loss														5
Loss on PBO		(10	)
Contributions to fund																						(63	)
Retiree benefits paid						(83	)
Ending balance						895								(99	)

What was the actuary's interest (discount) rate?