Fill in the blanks to make the statements correct, and answer any questions below. a. The term quantity supplied refers to desired sales by producers, whereas quantity exchanged refers to actual sales by producers. b. Quantity supplied refers to the quantity of widgets supplied per period of time. "The quantity supplied of widgets is 1000 units" is not meaningful unless we know the time period over which the 1000 units are supplied. Quantity supplied is a(n) flow variable c. A supply curve represents the relationship between The positive slope indicates that when the price increases, quantity supplied d. Identify six important causes of shifts in the supply curve. (Select all that apply.) and A. Government Taxes or Subsidies B. Price of Inputs C. Number of Suppliers D. Consumers' Tastes E. Population F. Prices of Other Products G. Technology H. Significant Changes in Weather ceteris paribus.