amount of depreciation and rate of depreciation

On 1st April 20X1, X ltd purchased a machinery $100000 and incurred $7000 towards freight and insurance, $1000 towards carriage inwards and $2000 towards installation charges. It was established that the machinery will have a scrap value of $2000 were incurred on repairs and renewals of machine.
Determine amount of depreciation and rate of depreciation according to Sum of Years Digits Method.