calculating depriciation of 2 machines for each year using matrix notation

Question

a firm has 2 machines M1 and M2 cosying rs 45000 and 30000. Each has 5 years life with srap value nil.Find depreciation of each machine for each year using matrix notation if

1-both are depreciated by sum of the year digits method

2-First is depreciated by sum of the year digits method and second by straight line method