Which cause a compilation error? $($Choose two$)$

public interface TestInterface $\{$

double taxRate $=0\mathrm{.}05$;

default void increaseTax$()\{$

taxRate $=$ taxRate $+0\mathrm{.}01$;

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public interface TestInterface $\{$

static double taxRate $=0\mathrm{.}05$;

abstract void increaseTax$()$;

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public interface TestInterface $\{$

double taxRate $=0\mathrm{.}05$;

void increaseTax$()$;

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public abstract class testClass $\{$

double taxRate $=0\mathrm{.}05$;

public void increaseTax$()\{$

taxRate $=$ taxRate $+0\mathrm{.}01$;

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public abstract class testClass $\{$

double taxRate $=0\mathrm{.}05$;

abstract void increaseTax$()\{$

taxRate $=$ taxRate $+0\mathrm{.}01$;

$\}$

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