Which of the following statements is TRUE? a. Joint product allocation results in more accurate assignment of revenues to products than does revenue allocation. O b. Revenue tracing results in more accurate assignment of revenues to products than does revenue allocation. O c. Revenue allocation results in more accurate assignment of revenues to products than does revenue tracing. O d. Revenue allocation results in more accurate assignment of revenues to products than does joint product allocation. e. Joint product allocation results in more accurate assignment of revenues to products than does revenue tracing