Repeat Problem 19.12 for a financial institution with a portfolio of short positions in put and call

Question:

Repeat Problem 19.12 for a financial institution with a of short positions in put and call options on a currency.
Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...