Question 1045274
{{{y}}}= {{{4* (1.05)^t }}}

a. in 2012 it is 1 year since 2011 t=1
{{{y}}}= {{{4* (1.05)^t }}}
{{{y}}}= {{{4* (1.05)^1 }}}
{{{y}}}= {{{4* 1.05 }}}


b. means when y=8
{{{8}}}= {{{4* (1.05)^t }}}
{{{2}}}= {{{ (1.05)^t }}}