Protected: hongoanh Active 5 years ago Topics: 2Replies: 1☆ ProfileForums Topics StartedReplies CreatedEngagements Forum Replies Created Viewing 1 post (of 1 total) Author Posts February 16, 2020 at 5:24 pm #562035 hongoanhMember Topics: 2Replies: 1☆ Thank you very much John. I have calculated using the second alternative and got the same results. Best Regards, Oanh. Author Posts Viewing 1 post (of 1 total)