[Solved] My second if and else if statement produces the wrong answer [closed]

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BigDecimal use example

vatTotalNoAgeLess5 = BigDecimal.valueOf(dinnerTotal).add(BigDecimal.valueOf(grossTick)).multiply(BigDecimal.valueOf(1.21)).doubleValue();

Example if statement

if ((havingDinner.equals("Y") || havingDinner.equals("y")) && (ageDiscount.equals("Y") || ageDiscount.equals("y"))) {
    agetick = (grossTick * 0.85);
    dinnerTotal = dinnerPrice * (standTick + terraceTick);
    vatTotalForAge = ((dinnerTotal + agetick) * 1.21);
    System.out.println(vatTotalForAge);
} else if ((havingDinner.equals("Y") || havingDinner.equals("y")) && (ageDiscount.equals("N") || ageDiscount.equals("n"))) {
    dinnerTotal = dinnerPrice * (standTick + terraceTick);
    vatTotalNoAgeLess5 = ((dinnerTotal + grossTick) * 1.21);
    System.out.println(vatTotalNoAgeLess5);
}

2

solved My second if and else if statement produces the wrong answer [closed]