Perform the indicated operation, and write the expression in the standard form $$ a+b i $$. $$ i^{28}+i^{14}-i^{4}-i^{2} $$

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Calculate or simplify the expression $$ i^{28}+i^{14}-i^{4}-i^{2} $$.
Simplify the expression by following steps:
- step0: Solution:
  $$i^{28}+i^{14}-i^{4}-i^{2}$$
- step1: Evaluate the power:
  $$1+i^{14}-i^{4}-i^{2}$$
- step2: Evaluate the power:
  $$1-1-i^{4}-i^{2}$$
- step3: Evaluate the power:
  $$1-1-1-i^{2}$$
- step4: Evaluate the power:
  $$1-1-1-\left(-1\right)$$
- step5: Simplify:
  $$-1-\left(-1\right)$$
- step6: Subtract the terms:
  $$0$$
The expression $$ i^{28}+i^{14}-i^{4}-i^{2} $$ simplifies to $$ 0 $$ in standard form.
The expression simplifies to $$ 0 $$.

Perform the indicated operation, and write the expression in the standard form .

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