That is fine; thanks for the clarification! On Saturday, December 30, 2023 at 10:48:47 AM UTC-5 bl...@furius.ca wrote:
> Beancount doesn't automatically compute implied prices based on transitive > prices. > All it does is impute the inverse price, and project the prices forward > (the last valid price--in time--is the one that's used). > You'll have to just update all of them. > > > On Sat, Dec 30, 2023 at 9:50 AM Lover O'Bean <lover...@gmail.com> wrote: > >> I have defined three currencies which should all be equal to the current >> IRS Standard Business mileage rate[1], call them IRSB.T, IRSB.R, IRSB.F >> (tax-deductible, reimbursable, and "fixed" for when I borrow a vehicle from >> a friend or relative). I would like to "peg" IRSB.R and IRSB.F to the >> official rate so that I only update[2] one. What is the best practice? >> >> 1) Always update everything: >> 2023-01-01 price IRSB.T 0.655 USD >> 2023-01-01 price IRSB.R 0.655 USD >> 2023-01-01 price IRSB.F 0.655 USD >> ; >> 2024-01-01 price IRSB.T 0.67 USD >> 2024-01-01 price IRSB.R 0.67 USD >> 2024-01-01 price IRSB.F 0.67 USD >> >> >> 2) Update one and set the others equal every time >> 2023-01-01 price IRSB.T 0.655 USD >> 2023-01-01 price IRSB.R 1 IRSB.T >> 2023-01-01 price IRSB.F 1 IRSB.T >> ; >> 2024-01-01 price IRSB.T 0.67 USD >> 2024-01-01 price IRSB.R 1 IRSB.T >> 2024-01-01 price IRSB.F 1 IRSB.T >> >> 3) Set the "peg" initially and then only update one >> 2023-01-01 price IRSB.T 0.655 USD >> 2023-01-01 price IRSB.R 1 IRSB.T >> 2023-01-01 price IRSB.F 1 IRSB.T >> >> 2024-01-01 price IRSB.T 0.67 USD >> >> I assume that 3) will not work and that IRS.R and IRS.F would remain >> stuck at the old rate? >> >> I apologize that I don't have enough transactions yet to test this >> thoroughly. >> >> [1] The Beancount documentation talks about opening currencies when they >> were first created. To spare others the agony, the 1964 1040 instructions >> seem to be the first to clearly reference a standard mileage rate: there >> was a major tax reform in 1964, but I didn't exactly see a reference to a >> standard mileage rate as part of that bill. >> >> >> [2] It seems that rate changes are usually announced through "IRS >> NEWSWIRE" service; email alerts for this service can be obtained through >> subscribing here: >> https://service.govdelivery.com/service/multi_subscribe.html?code=USIRS >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Beancount" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beancount+...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beancount/CABV0qx58Gyr6JiXnSOeBPjeORv5Ted9HLNwGKu1Br%3DOh8Db0zw%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/beancount/CABV0qx58Gyr6JiXnSOeBPjeORv5Ted9HLNwGKu1Br%3DOh8Db0zw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Beancount" group. To unsubscribe from this group and stop receiving emails from it, send an email to beancount+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beancount/e3d072c1-c385-4dee-a149-c77c6160c7a0n%40googlegroups.com.