Which of the following trades will re-balance a bond mutual fund within a 401K portfolio given the following information:

Current Total 401K Portfolio Market Value = $31,000

Current Bond Mutual Fund Market Value = $8,050

Target Bond Mutual Fund Allocation = 25%

Current Bond Mutual Fund NAV = $27 per share

a)Buy 11.11 shares of the bond mutual fund

b)Sell 11.11 shares of the bond mutual fund

c)Sell 850 shares of the bond mutual fund

d)Buy 850 shares of the bond mutual fund