Hi Expert, I am stuck one of the requirements,
I have a file which has quarterly data, however, the output column needs only last date of each quarter to be updated as a value for respective quarter.
| Date | Total | QTR | Final Value (output) |
| Thursday, August 1, 2019 | 4898445864 | 2019-Q4 | 4432185600 |
| Friday, August 2, 2019 | 5007203158 | 2019-Q4 | 4432185600 |
| Wednesday, October 30, 2019 | 4362185600 | 2019-Q4 | 4432185600 |
| Thursday, October 31, 2019 | 4432185600 | 2019-Q4 | 4432185600 |
| Friday, November 1, 2019 | 4919064058 | 2019-Q1 | 4362185600 |
| Saturday, November 2, 2019 | 4898445864 | 2019-Q1 | 4362185600 |
| Tuesday, December 31, 2019 | 4362185600 | 2019-Q1 | 4362185600 |
| Wednesday, January 1, 2020 | 4362185600 | 2019-Q1 | 4362185600 |
| Thursday, January 2, 2020 | 4362185600 | 2019-Q1 | 4362185600 |
| Friday, January 3, 2020 | 4362185600 | 2019-Q1 | 4362185600 |
| Saturday, January 4, 2020 | 4362185600 | 2019-Q1 | 4362185600 |
| Saturday, February 1, 2020 | 4362185600 | 2019-Q2 | 5562185600 |
| Sunday, February 2, 2020 | 4919064058 | 2019-Q2 | 5562185600 |
| Thursday, February 27, 2020 | 4779189458 | 2019-Q2 | 5562185600 |
| Sunday, March 1, 2020 | 4887849072 | 2019-Q2 | 5562185600 |
| Tuesday, April 28, 2020 | 4362185600 | 2019-Q2 | 5562185600 |
| Wednesday, April 29, 2020 | 4362185600 | 2019-Q2 | 5562185600 |
| Thursday, April 30, 2020 | 5562185600 | 2019-Q2 | 5562185600 |
| Friday, May 1, 2020 | 4362185600 | 2019-Q3 | 6562185600 |
| Saturday, May 2, 2020 | 4362185600 | 2019-Q3 | 6562185600 |
| Sunday, May 31, 2020 | 4779189458 | 2019-Q3 | 6562185600 |
| Monday, June 1, 2020 | 4939260310 | 2019-Q3 | 6562185600 |
| Thursday, July 30, 2020 | 4362185600 | 2019-Q3 | 6562185600 |
| Friday, July 31, 2020 | 6562185600 | 2019-Q3 | 6562185600 |
Please help me. Attached is the date for your reference.
https://drive.google.com/open?id=1WKQaoZIGDoYf-UyWaTt_Aua3U9bidiMs
Thanks
