In 2018, RCB had retained VK+AB+Uncapped Sarfaraz in the combination of 15-11-3 (Obv they paid more for Kohli and less for Sarfaraz but the combination was this only)
Today, RR has retained Samson+Buttler+Uncapped Jaiswal for 14-10-4. For the other 2, there should have been increase of 1cr each according to IPL rules because they have retained 3 players rather than 2...