Unlikely: Low dopamine levels in Parkinson's Disease are specifically related to loss of dopamine producing neurons in the Basal Ganglia of the brain and does not show up on regular blood testing. An isolated low dopamine on blood tests is not in itself is usually meaningless as it is a precursor to epinephrine.
Average Collection Period. The average collection period formula is the number of days in a period divided by the receivables turnover ratio. The numerator of the average collection period formula shown at the top of the page is 365 days. For many situations, an annual review of the average collection period is considered.
Ad. 2. Determine the amount of average inventory for the period. You can find this amount on the balance sheet. 1  Add the beginning inventory (or inventory at the beginning of a given period, usually 1 year) to the ending inventory (or inventory at the end of a given period). Add the beginning inventory (or inventory at the beginning of a given period, usually 1 year) to the ending inventory (or inventory at the end of a given period). 2  Assume you have a beginning inventory of 275,000 and ending inventory of 350,000.