QUESTION 1 10 points Saved What is the "sign convention"? 1. Outflows from you are entered as negative values; inflows to you are entered as positive values. O2.PV and FV are always positive: PMT is always negative 3.PV is always negative; FVis always positive 4. PMT is always positive: PV and FV are always negative QUESTION 2 10 points Save Answer To invert 3/60 to 20, enter: O 1.60 [1/X] 3 [=] O 2.3 [1/X] 60 [-] O 3.3 / 60 [=] [1/X] O 4.60 / 3 [1/X] [-]