Given below are two statements labelled as Assertion (A) and Reason (R). Read the statements and answer the question that follows : 

Assertion (A) : International product standardisation is least costly in terms of both manufacturing and marketing costs for the company. So companies should bring uniformity in their marketing mix elements
Reason (R) : No change in the product itself is required for marketing overseas but many items may require some adaptation for making them suitable to the foreign markets. 
Which of the following options is correct?