$(30$ pts$)2.$ BJT DC analysis

$(20$pts$)($a$)$ In the following circuit, find loi $($Base current of Q$1)$

Both transistors are in the active mode. $(=99$&$V_{BE}=0\mathrm{.}7V$ for both$)$

$I_C=I_B.$

$14\mathrm{.}8$ V