Hi Tutors need your help on Loews 10k for 2017. Need the following questions answered (Based off 10k)

Footnotes

1 Real properties with an aggregate book value of $28 million were pledged as collateral at February3, 2017, for secured debt.

2 Amount includes $100 million of notes issued in 1997 that may be put at the option of the holder on the 20th anniversary of the issue at par value. None of these notes are currently puttable.

Required:

a. What is the amount of long-term debt on Lowe's balance sheet as of February 3, 2017?

b. What proportion of Lowe's long-term debt is due before February 2, 2018?

c. How much of Lowe's assets were pledged as collateral as of February 3, 2017?