The drawing shows an equilateral triangle, each side of which has a length of $3\mathrm{.}47$ cm$.$ Point charges are fixed to each corner, as shown. The $4\mathrm{.}00$ C charge experiences a net force due to the charges qA and qB$.$ This net force points vertically downward and has a magnitude of $798$ N$.$ Determine a$)$ charge qA$,$ b$)$ charge qB$.+4\mathrm{.}00C$