I don't understand this. Please thoroughly explain. Im trying to complete with paper and pencil. Please fully explain how I show calculate not understanding how. Trying to carry all calculations to two decimal places. P$7-20$ Book and liquidation value The balance sheet for Gallinas Industries is as follows.

Gallinas Industries Balance Sheet as of December $31$

Additional information with respect to the firm is available:

$(1)$ Preferred stock can be liquidated at book value.

$(2)$ Accounts receivable and inventories can be liquidated at $90\%$ of book value.

$(3)$ The firm has $10,000$ shares of common stock outstanding.

$(4)$ All interest and dividends are currently paid up$.$

$(5)$ Land and buildings can be liquidated at $130\%$ of book value.

$(6)$ Machinery and equipment can be liquidated at $70\%$ of book value.

$(7)$ Cash and marketable securities can be liquidated at book value.

Given this information, answer the following:

a$.$ What is Gallinas Industries' book value per share?

b$.$ What is its liquidation value per share?

c$.$ Compare, contrast, and discuss the values found in parts a and $b.$