**CONCEPT: The question is a word problem from the area of Arithmetic**

**SOLUTION:**

Number of quarter kilograms in P kg=4P,

Thus, the cost of sending a P kilogram package is:

T + (T/5)(4P - 1)

= 5T/5 + (4PT - T)/5

= (4PT + 4T)/5

= 4T(P + 1)/5 **OPTION(E)**