Iffective tax rate Effer Assume that the applicable tax rate and the estimated pretax income for four quarters of Nour SA are as follows: REQUIRED: Calculate the annual effective tax rate for Nour SA.| Iffective tax rate Effer Assume that the applicable tax rate and the estimated pretax income for four quarters of Nour SA are as follows: REQUIRED: Calculate the annual effective tax rate for Nour SA.|