Consider the following information regarding the performance of a money manager in a recent month. The table represents the actual

eturn of each sector of the manager's portfolio in column $1,$ the fraction of the portfolio allocated to each sector in column $2,$ the

enchmark or neutral sector allocations in column $3,$ and the returns of sector indices in column $4.$ A$.$What was the contribution of security selection to relative performance? B$.$ What was the contribution of asset allocation to relative performance?