The year end financial statements for Pratt Inc., report the following information:

Year ended December 31,
(In millions)	Year 2	Year 1
Depreciation expense	$86.8	$83.5
Property, Plant and equipment, net	565.5	540.8
Land (included in net PPE above)	37.7	40.0
Accumulated depreciation	932.0	917.2

Which of the following estimates the property and equipment's percent-used-up at December 31, Year 2?

Select one:

a. 64.8%

b. 15.3%

c. 62.2%

d. 60.7%