Calculation of Running Total using quick measure

The line graph displays the running sum of C-Booking on a daily basis. The Currency parameter is created which has values ApTrack, USD and INR. While selecting on the slicer the graph should automatically display the values on the graph. While selecting the field in the slicer no output is being displayed and only getting a straight line.

Code as mentioned below

Running Sum of C-Booking = 
CALCULATE(
    [C-Booking],
    FILTER(
        ALLSELECTED('International EB'[BC_Date].[Day]), 
        'International EB'[BC_Date].[Day] <= MAX('International EB'[BC_Date].[Day])
    )
)

C-Booking = SWITCH(
    TRUE(),
    SELECTEDVALUE('Currency'[Currency]) = "ApTrack", 
        SUMX(
            NATURALINNERJOIN('International EB', 'Rates'), 
            'International EB'[Booking] * 'Rates'[ApTrack] * 1000
        ),
    SELECTEDVALUE('Currency'[Currency]) = "USD", 
        SUMX(
            NATURALINNERJOIN('International EB', 'Rates'), 
            'International EB'[Booking] / 'Rates'[USD]
        ),
    SELECTEDVALUE('Currency'[Currency]) = "INR", 
        SUMX(
            NATURALINNERJOIN('International EB', 'Rates'), 
            'International EB'[Booking] * 1000 / 'Rates'[USD] * 'Rates'[INR] / 100000
        ),
    0
)