The following incomplete (columns have missing amounts) pension spreadsheet is for Old Tucson Corporation (OTC).

($ in millions) debit (Credit)	PBO			Plan Assets				Prior Service Cost				Net (Gain) loss				Pension Expense				Cash				Net Pension (Liability)/Asset
Beginning balance	(430	)											44
Service cost																	41
Interest cost
Expected return on assets																	(16	)
Gain/loss on assets													(0.75	)
Amortization of:
Prior service cost									(4	)
Net gain/loss
Loss on PBO	(18	)											18
Contributions to fund																					(35	)
Retiree benefits paid	29				(29	)
Ending balance	(495	)			249				40				57												(246	)

What was the balance of the net pension asset/liability reported in the balance sheet at the end of the previous year?