$OP=7Bhp_{2400}\text{ and }7Bhp_{2400}=\frac{4PS}{25}$

$\left\{\begin{matrix}p_{2400}=\frac{4PS}{175Bh}\text{, }&O=\frac{4S}{25}\text{ and }B\neq 0\text{ and }h\neq 0\\p_{2400}=0\text{, }&B\neq 0\text{ and }h\neq 0\text{ and }P=0\\p_{2400}\in \mathrm{R}\text{, }&\left(O=0\text{ and }B=0\text{ and }S=0\right)\text{ or }\left(O=0\text{ and }h=0\text{ and }S=0\right)\text{ or }\left(P=0\text{ and }h=0\right)\text{ or }\left(P=0\text{ and }B=0\right)\end{matrix}\right.$

$\left\{\begin{matrix}h=\frac{4PS}{175Bp_{2400}}\text{, }&O=\frac{4S}{25}\text{ and }B\neq 0\text{ and }p_{2400}\neq 0\\h=0\text{, }&B\neq 0\text{ and }p_{2400}\neq 0\text{ and }P=0\\h\in \mathrm{R}\text{, }&\left(O=0\text{ and }B=0\text{ and }S=0\right)\text{ or }\left(O=0\text{ and }p_{2400}=0\text{ and }S=0\right)\text{ or }\left(P=0\text{ and }p_{2400}=0\right)\text{ or }\left(P=0\text{ and }B=0\right)\end{matrix}\right.$