Solve the Problem. -Abe, Boris, Cal, and David All Proposed to Ellie on to Ellie

Essay

Solve the problem.
-Abe, Boris, Cal, and David all proposed to Ellie on Friday. Abe proposed at 5:00, Boris
proposed at 6:00, Cal proposed at 7:00, and David proposed at 8:00. Ellie accepted the last
of the four proposals. Some clues: (1)The times may be A.M. or P.M. (2)Boris proposed
before Abe (3)At least one suitor proposed between the proposals of Cal and David. (4)
Cal did not propose between Boris and Al. Whose proposal did Ellie accept?