By Luc Olinga TheStreet’s Luc Olinga covers Alphabet’s fourth-quarter earnings report and conference call with management. Alphabet, Google’s parent company, had a very strong 2021 marked by rapid revenue growth in the first three quarters. Investors are waiting to see if the group has maintained its growth rate. Currently, the consensus among analysts polled by FactSet is for Alphabet to report fourth-quarter revenue of $72.26 billion (up 39% annually), GAAP EPS of $27.68, up 21.7%. Investors will mainly focus on acquisition costs, TAC, at Google. Basically, the expenses made by Google to get…