Throughout the Period 1980-2000, the Composite Proportion of the TA

Throughout the period 1980-2000, the composite proportion of the TA of U.S.nonfinancial firms accounted for by net PP&E generally ___
(i)____, and the proportion of TA financed by equity ___(ii)fairly steadily.
$\begin{array}{ll}&\_\_(i)\_\_&\_\_(ii)\_\_\\a.&\text { decreased } & \text { increased } \\b.&\text { increased } & \text { decreased } \\c.&\text { increased } & \text { also increased } \\d.&\text { decreased } & \text { also decreased }\end{array}$