Allocating Transaction Price to Performance Obligations and Recording Sales

Software Supplier Inc. sells to a customer a perpetual software license and post$-$contract customer support for a $12$month period, commencing at the time that the software is activated. Software Supplier Inc. charges $$420$ upfront when the software is purchased and $$28$ a month for $12$ months, due at the end of the month. Software Supplier Inc. sells the software separately for $$560$ while the standalone selling price of the post$-$contract customer support is $$280.$

Note: Carry all decimals in calculations; round the final answer to the nearest dollar.

a$.$ How should the transaction price be allocated among the performance obligation$($s$)?$

b$.$ Prepare Software Supplier's journal entry to record sale of software to the customer and the entry for the first monthly payment.

Note: If a journal entry $($or a line of the journal entry$)$ isn't required for the transaction, select $"$N$/$A$"$ as the account names and leave the Dr$.$ and Cr$.$ answers blank $($zero$).$

$\backslash$table$[[$Account Name,Dr$.,$Cr$.],[,0,02],[,0,02],[,0,0$;