A bulb is rated at 150 watt, converting 8 % energy into light. If energy of one photon is 4.42 × 10^-19 J, how many photons are emitted by the bulb…

A bulb is rated at $\displaystyle 150$ watt, converting $\displaystyle 8 \%$ energy into light. If energy of one photon is $\displaystyle 4.42 \times 10^{-19} \mathrm{~J}$, how many photons are emitted by the bulb per second ?