Tamara knows that the arithmetic mean of her five quiz scores is 95$\%$. However, she has misplaced one of these quizzes. The ones she can find have scores of 100$\%$, 100$\%$, 99$\%$ and 98$\%$. What is her score on the misplaced quiz?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Tamara knows that the arithmetic mean of her five quiz scores is 95$\%$. However, she has misplaced one of these quizzes. The ones she can find have scores of 100$\%$, 100$\%$, 99$\%$ and 98$\%$. What is her score on the misplaced quiz?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
78
Tamara knows that the arithmetic mean of her five quiz scores is 95$\%$. However, she has misplaced one of these quizzes. The ones she can find have scores of 100$\%$, 100$\%$, 99$\%$ and 98$\%$. What is her score on the misplaced quiz?
train