The Following Cash Transactions Were Among Those Reported by Genesee

The following cash transactions were among those reported by Genesee County's Wastewater Enterprise Fund for the year: Proceeds from sale of revenue bonds for construction $5,000,000
Interest income 300,000
Capital contributed by developers 1,000,000
In the Wastewater Enterprise Fund's statement of cash flows for the year ended December 31,what amount should be reported as cash flows from investing activities?

A) $ 300,000.
B) $1,300,000.
C) $5,300,000.
D) $6,300,000.