a) Syed works in a construction company. He earns RO 8 per hour and worked 45 hours per week. At the end of 7th month rate per hour increased to RO 10. According to the agreement, he is eligible for overtime (time-and-a-half pay) based on 38 hours regular work per week. You are required to calculate annual gross pay of Syed? Assume that 4 weeks in a month. b) An invoice for RO 65,000 and dated February 20 with the terms 7/13, EOM is received. The bill is paid on March 2ud Calculate the amouunt paid, c) An invoice of RO 50,000 with the terms 7/18, n/30, ROG is dated on May 10h, The goods are received on May 15. The bill is paid on June 1". Calculate the amount paid.