Step-by-step explanation:

1.a)P15 000,P150

base-P15 000 rate-1% percentage-P150

2.a)P30,900,P30,000

b)rate-3% base-30,900 percentage-30,000

3.a)30,18

b)rate-60% base-30 percentage-18

4.a)P300,600

b)rate-50% base-P300 percentage-P600

5. a) P10 000,1 500

b) rate-15% base-P 10 000 percentage-P 1,500