What does the chart indicate about the cumulative schedule performance index (SPI)? (IMAGE DESCRIPTION: Graph representing an SPI performance trend over time from September through May. Performance has been consistently over 1.0 for this time period, starting at 1.0 in September, peaking at approximately 1.25 in January, and ending at approximately 1.20 in May.)

It indicates that about as much work is being performed as was anticipated for this period.

It shows an increasingly unfavorable trend which indicates that less work is being performed than was planned.

It shows an increasingly favorable trend in the SPI, which means more work is being accomplished than was planned.

You cannot tell from the SPI whether more or less work has been performed than planned.