Exemplar Scripts for questions 1a and 1b.

1. ͳƒ ȋʹͲ ƒ”•Ȍ Š‡ …ƒ†‹†ƒ–‡ •–ƒ”–• ™‡ŽŽ ™‹–Š ƒ ‹–”‘†—…–‹‘ ™Š‹…Š •‡–• ‘—–
‡šƒ…–Ž› ™Š‹…Š ’”‘Œ‡…–• Šƒ˜‡ „‡‡ —†‡”–ƒ‡Ǥ ‡ ‘˜‡• ‘ –‘ –ƒŽ ƒ„‘—– ƒ
’”‘‰”ƒ —•‡†ǡ ‹‡†‹ƒ–‡Ž› ‡š’Žƒ‹‹‰ ’ƒ”–‹…—Žƒ” –‡…Š‹“—‡• ™Š‹…Š –Š‡ ’”‘‰”ƒ
‡ƒ„Ž‡† ȋ†‡•ƒ–—”ƒ–‹‘Ȍ ™‹–Š ƒ ”‡ƒ•‘ ˆ‘” —•‹‰ –Š‡ ȋ…”‡ƒ–‹‰ ƒ ’ƒ”–‹…—Žƒ”
ƒ–‘•’Š‡”‡ –›’‹…ƒŽ –‘ –Š‡ ‰‡”‡ȌǤ ‡…Š‹…ƒŽ –‡”• ƒ”‡ —•‡† ƒ……—”ƒ–‡Ž› ƒ†
…‘ˆ‹†‡–Ž› ȋ–‡’‘”ƒŽ ‡†‹–‹‰ǡ …”‘•• ˆƒ†‡•ǡ ‡–…ȌǤ Š”‘—‰Š‘—–ǡ –Š‡ …ƒ†‹†ƒ–‡ ”‡ˆ‡”•
‡š’Ž‹…‹–Ž› –‘ ‡šƒ’Ž‡• ˆ”‘ Š‹• ™‘”ǡ –‘ ƒ ”ƒ‰‡ ‘ˆ ’”‘‰”ƒ• ƒ† –‘ –‡…Š‹“—‡•
—•‡†Ǥ ‡˜‡”ƒŽ †‹ˆˆ‡”‡– ’”‘‰”ƒ• ƒ”‡ †‹•…—••‡† ‹ ƒ •—……‹…– ƒ† …Ž‡ƒ” ™ƒ›Ǥ ‘•–
‘ˆ –Š‡ ‡••ƒ› ‹• …‘ˆ‹‡† –‘ ’”‘‰”ƒ• ‘ –Š‡ …‘’—–‡” ƒ† …”‡ƒ–‹˜‹–› ‹• ‘–
‡š’Ž‹…‹–Ž› ƒ††”‡••‡†ǡ ‘” ƒ”‡ ‘Ž‹‡ –‡…Š‘Ž‘‰‹‡•Ǥ ‘™‡˜‡”ǡ ‘˜‡”ƒŽŽ –Š‹• ‹• ™‘”–Š›
‘ˆ Ž‡˜‡Ž ͶǤ
ͳ„ ȋʹʹ ƒ”•Ȍ Š‘—‰Š –Š‹• ”‡•’‘•‡ ‹• ™”‹––‡ ƒ• ‹ˆ –Š‡ ’”‘Œ‡…– ‹• „ƒ•‡† ‘
–Š‡‘”‹‡•ǡ ”ƒ–Š‡” –Šƒ ™‹–Š ƒ …”‹–‹…ƒŽ †‹•–ƒ…‡ ƒ’’Ž›‹‰ –Š‘•‡ –Š‡‘”‹‡•ǡ ‹– †‘‡• ‡‡–
–Š‡ …”‹–‡”‹ƒ ‘ˆ Ž‡˜‡Ž ͶǤ ‡ ƒ––‡’–• –‘ ”‡Žƒ–‡ ”‘’’ǡ ‡˜‹Ǧ–”ƒ—••ǡ ƒ”–Š‡• ƒ†
‘†‘”‘˜ ˜‡”› ‡ˆˆ‡…–‹˜‡Ž› –‘ –Š‡ ƒ””ƒ–‹˜‡Ǥ Š‡”‡ ‹• ‡š–‡•‹˜‡ —•‡ ‘ˆ ”‡Ž‡˜ƒ–
–‡”‹‘Ž‘‰› ƒ† ƒ’’Ž‹…ƒ–‹‘ –‘ ‡šƒ’Ž‡•Ǥ