Ben will purchase four books. The original prices of the books are $29.95, $23.95, $14.95, and $9.95. Ben has four sales options from which to choose.

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.