You have a work package that involves building six circuit boards. The effort has a budget of $2,500 per circuit board and is scheduled to deliver two circuit boards per month from February to the end of April. It is now the end of March. The EV method assigned to this effort is 25/75. In February, work was performed as planned, but at the end of March, only one circuit board was delivered because the other one was still in progress. What is the cumulative performance (cum BCWP) to report for month-end March? Please show work