please help and use bogey return been working on this for almost two hours no luck, will thumbs up!!!!

A global equity manager is assigned to select stocks from a universe of large stocks throughout the world. The manager will be evaluated by comparing her returns to the return on the MSCI World Market Portfolio, but she is free to hold stocks from various countries in whatever proportions she finds desirable. Results for a given month are contained in the following table:

Country	Weight In MSCI Index	Managers Weight	Managers Return in Country		Return of Stock Index for That Country
U.K.	0.23	0.46	21	%	13	%
Japan	0.36	0.18	14		14
U.S.	0.37	0.28	10		12
Germany	0.04	0.08	6		13

a. Calculate the total value added of all the managers decisions this period. (Do not round intermediate calculations.

b. Calculate the value added (or subtracted) by her country allocation decisions. (Do not round intermediate calculations.

c. Calculate the value added from her stock selection ability within countries. Do not round intermediate calculations.