PLEASE ADVISE ME

I reside in Lagos & Ibadan.I am graduate of Accounting.I want to improve my knowledge in computer because i have little knowledge in Ms word,Excel & Power Point.I want a computer programme I can do to increase my chances in getting job in Communication,Oil & Gas & Banking Sectors.Please advise on the type of computer programm,Good trainning Centres,cost and duration of the Programm.
Weekend programm will be suitable for me and I want to start this week.
Many thanks.

start with Ms word,Excel and later to accounting programmings

@ Emwanta,thanks for your kind gesture but I already have knowlege in Ms word,Excel and power point. Money will not be problem for the programm because I have saved some reasonable amount.