Depreciation and Maintenance Charges of Machine Components

SNARE DRUM COMPANY buys a machine for P$228,600$ on January $1,2007.$ The maintenance costs for the years $2007-2010$ ar$$ as follows :

$\backslash$table$[[$Year$,$Cost$],[2007,$P$13,500],[2008,10,800],[2009,65,700**$