After a month, serum total PSA value was 1.2 ng/ml. In another blood test after 3 months, serum total PSA value rose to 7 ng/ml with a percent free PSA of 40%. The urologist recommended a transrectal ultrasound-guided prostate biopsy. The patient refused biopsy.
Of the four components of aggregate demand, consumption expenditure C is the largest contributing to between 60% and 70% of total expenditure. For this reason, we often start our analysis with this particular component.
Contribution Factor & Quarterly Filings - Universal Service Fund (USF) Management Support. Proposed contribution factor for second quarter 2017 is 17.4 percent. Contribution Factor: Telecommunications companies must pay a percentage of their interstate end-user revenues to the Universal Service Fund. This percentage is called the contribution factor.