Consider the following file called salaries.csv. uid.loc,div,vear,sal dgarcia, WDC, fin, 2017,102900 ejones, SEA, sales,2016,56450 dlarkin,RCH,rsr ch, 2018,78435 cartwright,RCH, acct, 2018, 48775 mlesko,OTT, rsrch, 2017,93870 criggs,WDC, sales,2018,62334 ipetrovski,RCH, acct, 2016, 68348 tchepregi,SEA, rsrch, 2017,84290 amurchin,OTT, sales, 2018,49038 acarlson,RCH, fin, 2018,70000 swelsh,WDC, sales, 2016, 39876 Each field in this file is separated by a comma and each record is separated by a newline character. For this file, you will write a one-line gawk command-line to filter records for employees who earn $50,000 or more in 2018. Specifically, you will print out only the userid (i.e., uid), location (i.e., loc), and salary (i.e., sal) for those employees working in 2018 who earned a salary of $50,000 or more. You may write