2. The lender uses a performance metric known as PRSM, performance ratio at six months. In this question, you will form and describe this new variable. To construct PRSM, define a new column in your data table using a formula. In the formula, divide two times the amount repaid at six months by the total amount to be repaid: Amount repaid at six months Total amount to be repaid PRSM=2 (a) If small loans and large loans are performing comparably and accumulating at a rate that will pay off the loans at around 12 months, then approximately