do B 1. In December 2021. a collective bargaining agreement was concluded for employees in the East German carpentry trade. IG Metall reports The income for former journeymen will increase in three steps by a total of 376 euros per month or 16.62 percent by January 1, 2024 From January 1, 2022 there will be 2395 euros per month or 14.30 euros per hour. That is an increase of 5.6 percent The further increase will take place on Jury 2023 by a further 125 euros to 2500 euros per month 13.01 euros per hour which corresponds to authers.22 perc more money with the third step, the so-called basic fee will increase by a father EUR 118 per month (4.68 percent) from January 1, 2024 to EUR 2638 per month or EUR 15.75 per hour The collective agreement runs until December 31, 2024. The previous collective agreement ended on December 31, 2019 Task 1a : Is the statement income increases by 16.62% correct? Justify your answer. including the Westrick formula. (7) 9E9DD40 Task 1b: What is the hourly wage in December 2021. (3)