We need to compare the total expenses between the two options.
Option 1: We will purchase motherboards
Expenses = $65 * 50,000
Expenses = $3,250,000
Option 2: We will manufacture our own boards
Expenses = ($32*50,000) + ($10*50,000) + ($16*50000) + $75000
Expenses = $2,975,000
We choose option 2 since it is lesser by $275,000.