of ABC Inc. had 150 necklaces in stock on May 5, 2019. On May & ABC sold 5 necklaces and on May 17, 2 additional necklaces were sold. How many units will be showing as in stock on May 15, if ABC Inc. uses: (a) a Perpetual system and (b) a Periodic system, assuming that no physical inventory count was conducted in May? Select one: a. (a)145; (b)143 b. (a)143; (b)150 c. (a)145; (b)150 d. (a) 143; (b)145