3. {1D points} According to International Data Corporation, the number of worldwide WWWHI soon exce mum number is expected to grow at nearly 10% per year for the next ve years. hilc the actual cost of a smartphcne is about $39!]. wireless carriers in some countries offer their customers a \"free\" smartphone with a twcwycar wireless service agreement. Is this pricing strategy rational for the firm?I Explain. 4. A firm produces goods K and \"if at zero marginal cost. The rm knows there are 3 types of consumem based on their reservation prices for X and '1' as given in the table below, but the firm is unable to distinguish consumers by their type at the moment of sale. 4.1. {5 points} What are the firm's revenues if it charges $25 for X and $51] for 'r\"? 4.1. {5 points} What are the firm's revenues if it charges $1513 for K and $ l 413 for \"i"? 4.3. {5 points} What are the firm's revenues if it charges $1 1:] for an K'i' bundle?I 4.4. (5 points} What are the firm's revenues if it charges $115 for an E-'r' bundle. but also charges $61} for X and $|4 for Y individually