Update a currency field in Access

Question

When I enter .50 on the form the results in the database is
1.00. If I change 1.00 to 2.00 the change is sent to the database.
The problem seems to be that the database is rounding the field.
For this particular application the user needs to be able to enter
amounts as small as .25. The field in the database is set to
currency with 2 decimal places.
The update code follows. Thank you in advance for your help.

Answer 1

I changed the cfqueryparam tag as follows:
fee_amount = <cfqueryparam value="#form.fee_amount#"
cfsqltype="cf_sql_decimal" />,
I thought this would sovle the probme, however, I receive
this error now:
Error Executing Database Query.
[Macromedia][SequeLink JDBC Driver][ODBC
Socket][Microsoft][ODBC Microsoft Access Driver]Optional feature
not implemented
The error occurred in
C:\Inetpub\wwwroot\spl_web_site\public_records\staff_forms\update.cfm:
line 33
31 : staff_fname = <cfqueryparam
value="#form.staff_fname#" cfsqltype="cf_sql_varchar" />,
32 : staff_ph_ext = <cfqueryparam
value="#form.staff_ph_ext#" cfsqltype="cf_sql_varchar" />
33 : WHERE cust_id = <cfqueryparam value="#form.cust_id#"
cfsqltype="cf_sql_numeric" />
34 : </cfquery>
35 :
Now there seems to be an error on the cust_id field which is
an auto number in the database.