Monthly cost and Yearly cost are showing incorrect on adding more than one Contract rate cards under contracts.DescriptionWhen creating more than one new Contract Rate Card with some currency values under contracts( "ast_contract"), it is updating monthly cost and yearly cost automatically but the calculations are showing incorrect.Steps to Reproduce Hop to the affected instance.Impersonate to "admin" and ensure his country code set to China/France/Germany(Anything other than what is being used in reference currency)Go to "ast_contract.list" from navigation pane.Search and Open any contract record(You can use any record, this is just an example).Scroll down and find "Contract Rate Cards" Tab.Click new and create new "Contract Rate Card" with below fields.=>Under General Tab(Provided below example information):* Start date: 2020-04-14* End date:2020-04-15* Interval : Monthly/Weekly/Annually* Uncheck sales Tax.* Base Cost : 10 $* Submit.Now open the contract record and notice "Monthly Cost/Yearly Cost" which shows fine.Repeat step 6 and submit another new Contract Rate Card.Now open record the same contract record and notice "Monthly Cost/Yearly Cost", this time it shows incorrect.When you add contract rate cards more than 1 then "Monthly Cost/Yearly Cost" does not perform calculation correctly and shows wrong value.WorkaroundThe issue was found to be with the Out of box Business Rule "Calculate projected costs (Reports)".https://<Instance name>/nav_to.do?uri=%2Fsys_script.do%3Fsys_id%3D5eee607147a0300042bd757f2ede27fd%26sysparm_domain%3Dnull%26sysparm_domain_scope%3DnullThe issue is fixed in Paris.Until then we can use the attached modified business rule sys_script_5eee607147a0300042bd757f2ede27fd.xmlYou have to download the attached business rule and import it in the affected instance which will fix the issue.Related Problem: PRB1400659