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The correct answer is $10$. It’s given that the cost for the entire purchase was $\$27$ after a coupon was used for $\$63$ off the entire purchase. Adding the amount of the coupon to the purchase price yields $27+63=90$. Thus, the cost for the entire purchase before using the coupon was $\$90$. It’s given that Nasir bought $9$ storage bins. The original price for $1$ storage bin can be found by dividing the total cost by $9$. Therefore, the original price, in dollars, for $1$ storage bin is $\frac{90}{9}$, or $10$.