The purpose of using CALL statements only in the source code of a program to invoke SCARF

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The purpose of using CALL statements only in the source code of a program to invoke SCARF routines is to:

a. Improve the efficiency with which data can be collected via the SCARF routines

b. Highlight those places in the programming code associated with an application system where SCARF routines exist

c. Improve the effectiveness and efficiency of the routines by using structured programming techniques

d. Protect the integrity of the SCARF routines from scrutiny or changes by unauthorized parties

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