The cost price of a chair is 21,800. Later, its cost price becomes 22,100. What is the percentage increase in the cost price of the chair?

$16\frac{5}{6}$ % 1.37% $16\frac{1}{2}$ % $16\frac{1}{3}$ %

1.37%

First cost price = 21,800 Second cost price after increment = 22,100 Increment = 22,100 - 21800 = 300 Increase% = 300 × \(\frac{100}{21800 }\) = 1.37%