We plan to create $2$ pages per week which will earn $$2,000/$week$.$ This is the planned value.

At the end of the first week, only $1$ page has been completed $($earned value$)$ and we have spent $$1,500($actual cost$).$ Are we ahead or behind schedule, over or under budget?

PV $=$ $$2,000$

EV $=$ $$1,000(1$ page $=$ $$1,000)$

AC $=$ $$1,500$

CV EV $$ AC

SV EV $$ PV

CPI EV$/$AC

SPI EV$/$PV