Smaller Or Bigger ? (C-M cum Chem)

In a $HCl$ solution (Open to atmospheric pressure of $1$ $atm$ ),a hydrogen bubble of $8.00$ $mm^3$ volume is near a platinum (Pt) electrode at a depth of $15.00$ $cm$ where the temperature is $25.0$ degree $Celsius$ .The bubble rises to the surface of the $HCl$ solution, which is at a temperature of $27.0$ degree $Celsius$ . Assume that the temperature of the bubble is the same as that of the surrounding solution and the mass density of the solution is uniformly equal to that of water ( $1.00\times 10^3\text{ kg/m}^3$ ). If the earth gravitation is $9.80\text{ m/s}^2$ and $H_2$ is regarded as an ideal diatomic gas, find the volume of the bubble (in $mm^3$ ) just before it reaches the surface of the solution ( $1$ $atm$ = $1.013$ $×$ $10^5$ $Pa$ ).

Give your answer to 3 significant figures.

Source: 2nd IJSO Theoretical Problem 1 part 1.