Marisa Ltd is involved in a research and development project to create a new diet pill. For the current year ended $30$ June $2019$ expenditure on the project is as follows:

$$

Research

$$352,500$

Development

$$750,000$

$$

The pill is expected to return profits of $$105,000$ per year for the $10$ years commencing $1$ July $2019.$ Assuming the company uses a straight$-$line method amortization. This company uses a discount rate of $8$ per cent.

$$Required:

a$)$ How much research and development cost should be expensed in the year to $30$ June $2019?$

b$)$ How much development expenditure should be amortised in the year to $30$ June$2020?$