A project manager realized that staff augmentation is a typical source of variance in projects in the organization. For a particular project budgeted at $18,000, $10,000 has been earned back in value, while $8000 has already been spent. The CPI is determined to be 1.25. what is the estimate of the cost at completion a. $12,000 b. $16,000 c. $14,400 d. $16, 250