jill invested $25,500 in the bonds of Industrial Aromatics, inc. she held them for 13 months, at the end of which she sold them for $26, 835. Durinf the period of ownership she recieved $1,975 interest. calculate the prerax and after-tax HPR on jills investment. assume that she is in the 31% ordinary tax bracket (federal and state combine) and pays a 15% captial gains rate on divdends and on capital gains for holding periods longer than 12 months.