max value based on multiple conditions

[Kiki_Musa]

ID	Name	Orderdate	Catalog Price
7b	34-10	NULL	3000
7b	34-10	NULL	3000
7b	34-10	NULL	2000
7b	35-12	PL-17	3000
8b	35-11	PL-18	4000
8b	34-13	PL-18	4000
8b	34-14	PL-18	4000
8b	34-15	PL-18	4000
9b	35-12	PL-19	5000
9b	35-11	PL-19	5000
9b	34-18	PL-19	5000
9b	34-19	PL-19	5000
9b	34-20	PL-19	5000
I want a List of the products
where Id starts with 7
where Name starts with 34
where Orderdate = null
whit the highest catalog price
Output should be this
ID	Name	Orderdate	Catalog Price
7b	34-10	NULL	3000
7b	34-10	NULL	3000