Mr Z is an existing shareholder of UCHI. Based on part $($b$),$ compute the total dividends received by him according to his shareholding as enumerated below:

Buy $($no$.$ of shares$)$

Sell $($no$.$ of shares$)$

Shares owned

$1/12/2022$

$10,000$

$28/12/2022$

$2,000$

$12,000$

$29/12/2022$

$3,000$

$15,000$

$5/5/2023$

$5,000$

$10,000$ The followings are the details of dividends declared by UCHI for year ending $31$ December $2022$:

Date announced

Type of dividend

Dividend per share $($sen$)$

Ex$-$Dividend date

Lodgment date

Payment date

$14/12/2022$

Interim

$12\mathrm{.}0$

$29/12/2022$

$30/12/2022$

$19/1/2023$

$17/4/2023$

Final

$13\mathrm{.}0$

$12/5/2023$

$15/5/2023$

$31/5/2023$

$17/4/2023$

Special

$5\mathrm{.}0$

$12/5/2023$

$15/5/2023$

$31/5/2023$