Internal Insights Inc., a developer of radiology equipment, has stock outstanding as follows: $20,000$ shares of cumulative preferred $2\%$ stock, $$160$ par, and $67,000$ shares of $$15$ par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $$42,800$; second year, $$95,200$; third year, $$129,130$; fourth year, $$173,880.$

Compute the dividend per share on each class of stock for each of the four years. Round all answers to two decimal places. If no dividends are paid in a given year, leave it blank.

$1$st Year $2$nd Year $3$rd Year $4$th Year

Preferred stock $($dividend per share$)$ $fill in the blank $1$

$fill in the blank $2$

$fill in the blank $3$

$fill in the blank $4$

Common stock $($dividend per share$)$ $fill in the blank $5$

$fill in the blank $6$

$fill in the blank $7$

$fill in the blank $8$