Q. An electricity board charges the bill depending on the number of units consumed as follows:
| Units | Charge |
| First 100 units | 40 P per unit |
| Next 200 units | 60 P per unit |
| Above 200 units | Rs. 1 per unit |
WAP to print the net bill to be paid by a consumer. The net bill includes a rent of Rs. 250.00 charged from a consumer.