A company offers 16% p.a. at CI in scheme ‘X’, 25% p.a. at CI in scheme ‘Y’ and 47% p.a. at CI in scheme ‘Z’. Meera have some amount in his hand. She invested 38% amount in scheme ‘X’, 26% in scheme ‘Y’ and remaining in scheme ‘Z’. After two year she received 7200 as interest. Find the difference between amount invested by Meera on scheme ‘Z’ to that of in scheme ‘Y’.