The net annual cash flows for a capital expenditure proposal can be classified as either conventional (normal) or nonconventional (nonnormal). The following table lists the net annual cash flows for five proposed projects.

Project	Year 0	Year 1	Year 2	Year 3	Year 4
A	$142,435	$25,185	$37,995	$47,595	$54,860
B	$127,775	$35,790	$18,800	$18,775	$18,425
C	$111,695	$50,975	$55,610	$59,650	$46,510
D	$110,125	$24,760	$57,500	$61,445	$66,505
E	$131,425	$22,225	$29,985	$34,675	$42,585

Which project or projects exhibit a nonconventional cash flow stream?

Project C only

Project D only

Project B, C, and D

Projects A and C