X, Y and Z are partners sharing profits and losses in the ratio of 5 : 3 : 2. Z retired and on the date of his retirement, following adjustments were agreed upon:

a The value of Furniture is to be increased by 12,000.

b The value of stock to be decreased by 10,000.

c Machinery of the book value of 50,000 is to be depreciated by 10%.

d A Provision for Doubtful Debts @ 5% is to be created on debtors of book value of 40,000.

e Unrecorded Investment worth 10,000.

f An item of 1,000 included in bills payable is not likely to be claimed, hence should be written back. Pass necessary Journal entries.