78. A federal agency prepared the following schedule showing the status of federal appropriations at the end of the first quarter: 74Amount Status $ 600,000 - Unapportioned authority 10,000 - Apportionments. 45,000 - Allotments. 15,000 - Obligations for undelivered orders. 130,000 - Expended appropriations $ 800,000 Total appropriations What is the total amount of purchase orders placed in the rst quarter of the year? A) 30,000 B) 145,000 C) 175,000 D) 180,000