(19) DEFINED BENEFIT RETIREMENT PLAN – CONTINUED

Changes in the PBO and fair value of plan assets for the pension plan for the period from December 26, 2020 to December 25, 2021 were as follows:

Changes in the PBO and fair value of plan assets for the pension plan for the period from December 25, 2021 to December 31, 2022 were as follows:

The weighted-average actuarial assumptions used to determine the benefit obligation at December 31, 2022 and December 25, 2021 were as follows:

The weighted-average actuarial assumptions used to determine expense are as follows for fiscal years 2022 and 2021:


Percentages	2022		2021
Discount rate for benefit obligations	1.90	%	1.40	%
Discount rate for interest cost	1.80	%	1.15	%
Expected return on plan assets	3.48	%	3.96	%
CPI Inflation	2.70	%	2.00	%
RPI Inflation	3.30	%	2.90	%


	Quoted Prices in		Significant Other		Significant
	Active Markets		Observable		Unobservable
	for Identical		Inputs		Inputs
December 31, 2022	Inputs (Level 1)		(Level 2)		(Level 3)		Total
Plan assets at fair value:
Temporary cash investments	$	5,916	$	—	$	—	$	5,916
Total plan net assets at fair value	$	5,916	$	—	$	—	$	5,916
Plan assets at NAV:
Leveraged inflation-linked gilt funds								206,555
Corporate bonds								63,953
Corporate stock								55,379
Secured income asset funds								128,124
Total plan assets at NAV								454,011
Total plan assets							$	459,927


	Quoted Prices in		Significant Other		Significant
	Active Markets		Observable		Unobservable
	for Identical		Inputs		Inputs
December 25, 2021	Inputs (Level 1)		(Level 2)			(Level 3)	Total
Plan assets at fair value:
Temporary cash investments	$	14,000	$	—	$	—	$	14,000
Total plan net assets at fair value	$	14,000	$	—	$	—	$	14,000
Plan assets at NAV:
Leveraged inflation-linked gilt funds								283,288
Corporate bonds								107,945
Corporate stock								212,730
Secured income asset funds								143,207
Total plan assets at NAV								747,170
Total plan assets							$	761,170