A shop that sells phone accessories had the following sales: 10 thousand earbuds at $10 each, 5300 phone cases at $12 each and 450 power banks at $50 each. What % of the shop's revenue is from power banks? Pick one:	A) 11.1%	B) 12.1%	C) 10.1%	D) 9.1%	E) 13.1%
Correct Answer: 12.1%   The company's total revenue from earbuds=10000*$10=$100000   The company's total revenue from phone cases10000* 10= 
<gadget id="calculator">10000* 10</gadget>
<output>100_000</output>
$100000   The company's total revenue from phone cases=5300*$12=$63600   The company's total revenue from power banks5300* 12= 
<gadget id="calculator">5300* 12</gadget>
<output>63_600</output>
$63600   The company's total revenue from power banks=450*$50=$22500   The combined total of all sales450* 50= 
<gadget id="calculator">450* 50</gadget>
<output>22_500</output>
$22500   The combined total of all sales=$186100   Therefore % of power banks sales=22500/186100*100= 12.1%
<result>B</result>
A shop that sells phone accessories had the following sales: 10 thousand earbuds at $10 each, 5300 phone cases at $12 each and 450 power banks at $50 each. What % of the shop's revenue is from power banks?