A. Machine A, because the PV of its costs is $88.85 less than Machine B.
PVA = 150 + 80(3.7908) = 150 + 303.26 = 453.26
A. Machine A, because the PV of its costs is $88.85 less than Machine B.
A. Machine A, because the PV of its costs is $88.85 less than Machine B.
PVA = 150 + 80(3.7908) = 150 + 303.26 = 453.26
status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|
repetition number in this series | 0 | memorised on | scheduled repetition | ||||
scheduled repetition interval | last repetition or drill |